a Caiga_quien_Caiga
a caiga quien caiga .
a WORD_BOUNDARY k a i ɡ a WORD_BOUNDARY k j e̞ n WORD_BOUNDARY k a i ɡ a WORD_BOUNDARY
a WORD_BOUNDARY c a i g a WORD_BOUNDARY q u i e n WORD_BOUNDARY c a i g a WORD_BOUNDARY . WORD_BOUNDARY