fuiste o no fuiste
fuiste o no fuiste ?
f w i s t e̞ WORD_BOUNDARY o̞ WORD_BOUNDARY n o̞ WORD_BOUNDARY f w i s t e̞ WORD_BOUNDARY
f u i s t e WORD_BOUNDARY o WORD_BOUNDARY n o WORD_BOUNDARY f u i s t e WORD_BOUNDARY ? WORD_BOUNDARY