code: def _cond_bb(self, word, suffix_len):
          
          return (
              len(word) - suffix_len >= 3
              and word[-suffix_len - 3 : -suffix_len] != 'met'
              and word[-suffix_len - 4 : -suffix_len] != 'ryst'
          )
docs: Return Lovins' condition BB.
  
          Parameters
          ----------
          word : str
              Word to check
          suffix_len : int
              Suffix length
  
          Returns
          -------
          bool
              True if condition is met