tenemos que fregar
tenemos que fregar ?
t e̞ n e̞ m o̞ s WORD_BOUNDARY k e̞ WORD_BOUNDARY f ɾ e̞ ɡ a ɾ WORD_BOUNDARY
t e n e m o s WORD_BOUNDARY q u e WORD_BOUNDARY f r e g a r WORD_BOUNDARY ? WORD_BOUNDARY