está abriendo la boca
está abriendo la boca .
e̞ s t a WORD_BOUNDARY a β ɾ j e̞ n d o̞ WORD_BOUNDARY l a WORD_BOUNDARY β o̞ k a WORD_BOUNDARY
e s t á WORD_BOUNDARY a b r i e n d o WORD_BOUNDARY l a WORD_BOUNDARY b o c a WORD_BOUNDARY . WORD_BOUNDARY