diff --git a/util/picklist_to_locations.py b/util/picklist_to_locations.py
index fd5455d..c30b515 100644
--- a/util/picklist_to_locations.py
+++ b/util/picklist_to_locations.py
@@ -1,6 +1,6 @@
 import json
-from sys import argv
-from os import path, kill
+from sys import argv, exit
+from os import path
 from dataclasses import dataclass
 
 
@@ -13,45 +13,53 @@ class Location:
 def main():
     input_file = argv[1]
     output_file = argv[2]
+    alternate_mode = len(argv) == 4 and argv[3] == "alt"
 
     if not test_file(input_file):
         print("Input file does not exist")
-        kill(1)
+        exit(1)
     if test_file(output_file):
         print("Output file already exists")
-        kill(1)
+        exit(1)
 
     locations = read_input_csv_to_wells(input_file)
     json_obj = tubes_to_tubes_json(locations)
 
+    if alternate_mode:
+        with open(output_file, 'w') as file:
+            for location in locations:
+                index = (location.row - 1) * 12 + location.col
+                file.write(f"{index}\n")
+        exit(0)
+
     with open(output_file, 'w') as file:
         json.dump(json_obj, file)
 
 
 def read_input_csv_to_wells(p: str) -> [Location]:
     with open(p, 'r') as file:
-        lines = file.readlines()
+        lines=file.readlines()
     # Assume 96w format only
     def get_first_col(line): return line.split(',')[0]
     def get_row(x): return ord(x.upper()) - 64
 
     def get_row_col(line: str) -> Location:
-        col = get_first_col(line)[1:]
-        row = get_row(get_first_col(line)[0])
+        col=get_first_col(line)[1:]
+        row=get_row(get_first_col(line)[0])
         return Location(row, int(col))
 
     return list(set([get_row_col(line) for line in lines[1:]]))
 
 
 def tubes_to_tubes_json(i: [Location]) -> dict:
-    target_positions_list = []
+    target_positions_list=[]
 
     for tube in i:
         target_positions_list.append((tube.row - 1) * 12
                                      + tube.col)
 
-    output_obj = {}
-    output_obj["TargetPositions"] = [{"PositionIndex": p}
+    output_obj={}
+    output_obj["TargetPositions"]=[{"PositionIndex": p}
                                      for p in target_positions_list]
 
     return output_obj
diff --git a/verso_spelling/letters.zip b/verso_spelling/letters.zip
new file mode 100644
index 0000000..97b073f
Binary files /dev/null and b/verso_spelling/letters.zip differ
diff --git a/verso_spelling/letters/E b/verso_spelling/letters/E
new file mode 100644
index 0000000..ad1be0c
--- /dev/null
+++ b/verso_spelling/letters/E
@@ -0,0 +1,60 @@
+72
+25
+31
+42
+48
+49
+55
+87
+93
+90
+14
+96
+6
+23
+12
+62
+76
+73
+79
+71
+82
+38
+54
+30
+36
+86
+47
+60
+95
+89
+92
+2
+13
+19
+11
+61
+75
+81
+67
+78
+84
+26
+37
+43
+50
+35
+59
+88
+85
+91
+1
+94
+7
+18
+24
+74
+66
+77
+83
+80
diff --git a/verso_spelling/letters/H b/verso_spelling/letters/H
new file mode 100644
index 0000000..0249eac
--- /dev/null
+++ b/verso_spelling/letters/H
@@ -0,0 +1,56 @@
+31
+42
+55
+87
+93
+90
+14
+96
+6
+17
+3
+9
+23
+20
+12
+76
+73
+79
+82
+54
+30
+86
+89
+95
+92
+16
+2
+13
+19
+5
+11
+22
+8
+75
+81
+67
+78
+84
+43
+88
+85
+91
+1
+94
+4
+15
+21
+7
+18
+24
+10
+74
+66
+77
+83
+80
diff --git a/verso_spelling/letters/O b/verso_spelling/letters/O
new file mode 100644
index 0000000..8887fda
--- /dev/null
+++ b/verso_spelling/letters/O
@@ -0,0 +1,64 @@
+72
+25
+48
+49
+87
+93
+90
+14
+96
+6
+17
+3
+9
+23
+20
+12
+62
+76
+73
+79
+71
+82
+38
+36
+86
+47
+60
+95
+89
+92
+16
+2
+13
+19
+5
+11
+61
+22
+8
+75
+81
+78
+84
+26
+37
+50
+35
+59
+88
+85
+91
+1
+94
+4
+15
+21
+7
+18
+24
+74
+10
+77
+83
+80
diff --git a/verso_spelling/letters/R b/verso_spelling/letters/R
new file mode 100644
index 0000000..183fb9e
--- /dev/null
+++ b/verso_spelling/letters/R
@@ -0,0 +1,60 @@
+25
+31
+42
+49
+34
+87
+93
+90
+96
+14
+3
+23
+20
+76
+62
+73
+79
+65
+82
+38
+41
+33
+54
+30
+36
+86
+89
+95
+92
+16
+2
+13
+19
+61
+22
+75
+81
+78
+84
+26
+37
+29
+50
+35
+32
+53
+88
+85
+91
+1
+94
+4
+15
+21
+24
+74
+66
+77
+83
+80
diff --git a/verso_spelling/letters/S b/verso_spelling/letters/S
new file mode 100644
index 0000000..6e682cb
--- /dev/null
+++ b/verso_spelling/letters/S
@@ -0,0 +1,60 @@
+72
+25
+31
+42
+48
+49
+55
+87
+90
+14
+96
+6
+23
+9
+20
+12
+62
+76
+73
+79
+71
+38
+54
+30
+36
+86
+47
+60
+95
+89
+2
+13
+19
+11
+61
+22
+8
+75
+67
+78
+84
+26
+37
+43
+50
+35
+59
+88
+85
+91
+1
+21
+7
+18
+24
+74
+10
+66
+77
+83
diff --git a/verso_spelling/spell.py b/verso_spelling/spell.py
new file mode 100644
index 0000000..aad85b9
--- /dev/null
+++ b/verso_spelling/spell.py
@@ -0,0 +1,98 @@
+import json
+from sys import argv
+from os import path, listdir
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Tube:
+    barcode: str
+    row: int
+    col: int
+
+
+@dataclass(frozen=True)
+class LetterTube:
+    barcode: str
+    index: int
+    group: int
+
+
+def main():
+    # ARGV[1] Should be path to Ziath Output
+    # ARGV[2] Should be path to Letter sequences
+    # ARGV[3] Should be path to output
+    # ARGV[4] Should be word
+
+    available_barcodes = argv[1]
+    letter_dir = argv[2]
+    output_path = argv[3]
+    input = argv[4]
+
+    if not validate_word(input, letter_dir):
+        print("Failed to validate word")
+        exit(1)
+
+    available_tubes = read_available(available_barcodes)
+    letters = []
+    for letter in input:
+        x = get_tubes_for_letter(letter,
+                                 len(letters) + 1,
+                                 available_tubes,
+                                 letter_dir)
+        available_tubes = available_tubes[len(x):]
+        letters += x
+
+    output = letter_tubes_to_obj(letters)
+    with open(output_path, 'w') as file:
+        json.dump(output, file)
+
+
+def letter_tubes_to_obj(x: [LetterTube]) -> dict:
+    output = {}
+    output["Items"] = [{"BarcodeValue": y.barcode} for y in x]
+    output["TargetPositions"] = [{"PositionIndex": y.index,
+                                  "GroupIndex": y.group}
+                                 for y in x]
+
+    return output
+
+
+def get_tubes_for_letter(letter: str,
+                         letter_index: int,
+                         available_tubes: [Tube],
+                         letter_dir: str) -> [LetterTube]:
+    positions = get_letter_positions(letter, letter_dir)
+
+    if len(positions) > len(available_tubes):
+        raise Exception("Insufficient tubes to fill order")
+
+    pixels = []
+    for i, position in enumerate(positions):
+        pixel = LetterTube(available_tubes[i],
+                           position,
+                           letter_index)
+        pixels.append(pixel)
+    return pixels
+
+
+def read_available(p: str) -> [str]:
+    with open(p, 'r') as file:
+        return [x.strip() for x in file.readlines()]
+
+
+def validate_word(input: str, letter_dir: str) -> bool:
+    letters_available = [x[0] for x in listdir(letter_dir)]
+    has_required_letters = all([x in letters_available for x in input])
+
+    return has_required_letters
+
+
+def get_letter_positions(letter: str, letter_dir: str) -> [int]:
+    filename = [f for f in listdir(letter_dir) if f[0] == letter][0]
+    with open(path.join(letter_dir, filename), 'r') as file:
+        return [int(x.strip()) for x in file.readlines()]
+
+
+if __name__ == "__main__":
+    main()
diff --git a/verso_spelling/spell.txt b/verso_spelling/spell.txt
new file mode 100644
index 0000000..aad85b9
--- /dev/null
+++ b/verso_spelling/spell.txt
@@ -0,0 +1,98 @@
+import json
+from sys import argv
+from os import path, listdir
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Tube:
+    barcode: str
+    row: int
+    col: int
+
+
+@dataclass(frozen=True)
+class LetterTube:
+    barcode: str
+    index: int
+    group: int
+
+
+def main():
+    # ARGV[1] Should be path to Ziath Output
+    # ARGV[2] Should be path to Letter sequences
+    # ARGV[3] Should be path to output
+    # ARGV[4] Should be word
+
+    available_barcodes = argv[1]
+    letter_dir = argv[2]
+    output_path = argv[3]
+    input = argv[4]
+
+    if not validate_word(input, letter_dir):
+        print("Failed to validate word")
+        exit(1)
+
+    available_tubes = read_available(available_barcodes)
+    letters = []
+    for letter in input:
+        x = get_tubes_for_letter(letter,
+                                 len(letters) + 1,
+                                 available_tubes,
+                                 letter_dir)
+        available_tubes = available_tubes[len(x):]
+        letters += x
+
+    output = letter_tubes_to_obj(letters)
+    with open(output_path, 'w') as file:
+        json.dump(output, file)
+
+
+def letter_tubes_to_obj(x: [LetterTube]) -> dict:
+    output = {}
+    output["Items"] = [{"BarcodeValue": y.barcode} for y in x]
+    output["TargetPositions"] = [{"PositionIndex": y.index,
+                                  "GroupIndex": y.group}
+                                 for y in x]
+
+    return output
+
+
+def get_tubes_for_letter(letter: str,
+                         letter_index: int,
+                         available_tubes: [Tube],
+                         letter_dir: str) -> [LetterTube]:
+    positions = get_letter_positions(letter, letter_dir)
+
+    if len(positions) > len(available_tubes):
+        raise Exception("Insufficient tubes to fill order")
+
+    pixels = []
+    for i, position in enumerate(positions):
+        pixel = LetterTube(available_tubes[i],
+                           position,
+                           letter_index)
+        pixels.append(pixel)
+    return pixels
+
+
+def read_available(p: str) -> [str]:
+    with open(p, 'r') as file:
+        return [x.strip() for x in file.readlines()]
+
+
+def validate_word(input: str, letter_dir: str) -> bool:
+    letters_available = [x[0] for x in listdir(letter_dir)]
+    has_required_letters = all([x in letters_available for x in input])
+
+    return has_required_letters
+
+
+def get_letter_positions(letter: str, letter_dir: str) -> [int]:
+    filename = [f for f in listdir(letter_dir) if f[0] == letter][0]
+    with open(path.join(letter_dir, filename), 'r') as file:
+        return [int(x.strip()) for x in file.readlines()]
+
+
+if __name__ == "__main__":
+    main()