tu madre es buena
tu madre es buena ?
t u WORD_BOUNDARY m a d ɾ e̞ WORD_BOUNDARY e̞ s WORD_BOUNDARY β w e̞ n a WORD_BOUNDARY
t u WORD_BOUNDARY m a d r e WORD_BOUNDARY e s WORD_BOUNDARY b u e n a WORD_BOUNDARY ? WORD_BOUNDARY