code: def expand_iota_subscript(input_str, lowercase=False):
      
      new_list = []
      for char in input_str:
          new_char = MAP_SUBSCRIPT_NO_SUB.get(char)
          if not new_char:
              new_char = char
          new_list.append(new_char)
      new_str = ''.join(new_list)
      if lowercase:
          new_str = new_str.lower()
      return new_str
docs: Find characters with iota subscript and replace w/ char + iota added.