docs: def replace_ys(self, word):
          """
          Replace y or Y with i if preceded by a non-vowel
          which is not the first letter of the word
          ."""
          length = len(word)
  
          if word[length - 1] in 'Yy':
              if length > 2:
                  if word[length - 2] not in self.vowels:
                      word = word[:-1] + 'i'
  
          return word