docs: def fw_romaji_lt(full, regular):
      '''
      Generates a lookup table with the fullwidth rōmaji characters
      on the left side, and the regular rōmaji characters as the values.
      '''
      lt = {}
      for n in range(len(full)):
          fw = full[n]
          reg = regular[n]
          lt[fw] = reg
  
      return lt