una vaca a que sí
una vaca a que sí ?
u n a WORD_BOUNDARY β a k a WORD_BOUNDARY a WORD_BOUNDARY k e̞ WORD_BOUNDARY s i WORD_BOUNDARY
u n a WORD_BOUNDARY v a c a WORD_BOUNDARY a WORD_BOUNDARY q u e WORD_BOUNDARY s í WORD_BOUNDARY ? WORD_BOUNDARY