este no es nuevo
este no es nuevo !
e̞ s t e̞ WORD_BOUNDARY n o̞ WORD_BOUNDARY e̞ s WORD_BOUNDARY n w e̞ β o̞ WORD_BOUNDARY
e s t e WORD_BOUNDARY n o WORD_BOUNDARY e s WORD_BOUNDARY n u e v o WORD_BOUNDARY ! WORD_BOUNDARY