y le cuesta respirar
y le cuesta respirar .
i WORD_BOUNDARY l e̞ WORD_BOUNDARY k w e̞ s t a WORD_BOUNDARY ɾ e̞ s p i ɾ a ɾ WORD_BOUNDARY
y WORD_BOUNDARY l e WORD_BOUNDARY c u e s t a WORD_BOUNDARY r e s p i r a r WORD_BOUNDARY . WORD_BOUNDARY