code: def _cond_s(self, word, suffix_len):
          
          return word[-suffix_len - 2 : -suffix_len] == 'dr' or (
              word[-suffix_len - 1] == 't'
              and word[-suffix_len - 2 : -suffix_len] != 'tt'
          )
docs: Return Lovins' condition S.
  
          Parameters
          ----------
          word : str
              Word to check
          suffix_len : int
              Suffix length
  
          Returns
          -------
          bool
              True if condition is met