def _cond_aa(self, word, suffix_len):
return word[-suffix_len - <NUM_LIT:1>] in {'<STR_LIT:d>', '<STR_LIT:f>', '<STR_LIT:l>', '<STR_LIT:t>'} or word[<EOL>-suffix_len - <NUM_LIT:2> : -suffix_len<EOL>] in {'<STR_LIT>', '<STR_LIT>', '<STR_LIT>', '<STR_LIT>', '<STR_LIT>'}<EOL>
Return Lovins' condition AA.

        Parameters
        ----------
        word : str
            Word to check
        suffix_len : int
            Suffix length

        Returns
        -------
        bool
            True if condition is met