la semana pasada fuiste
la semana pasada fuiste ?
l a WORD_BOUNDARY s e̞ m a n a WORD_BOUNDARY p a s a d a WORD_BOUNDARY f w i s t e̞ WORD_BOUNDARY
l a WORD_BOUNDARY s e m a n a WORD_BOUNDARY p a s a d a WORD_BOUNDARY f u i s t e WORD_BOUNDARY ? WORD_BOUNDARY