a_ver si se caen
a ver si se caen ?
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY s i WORD_BOUNDARY s e̞ WORD_BOUNDARY k a e̞ n WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY s i WORD_BOUNDARY s e WORD_BOUNDARY c a e n WORD_BOUNDARY ? WORD_BOUNDARY