sabemos o que son
sabemos o que son ?
s a β e̞ m o̞ s WORD_BOUNDARY o̞ WORD_BOUNDARY k e̞ WORD_BOUNDARY s o̞ n WORD_BOUNDARY
s a b e m o s WORD_BOUNDARY o WORD_BOUNDARY q u e WORD_BOUNDARY s o n WORD_BOUNDARY ? WORD_BOUNDARY