ésto es tu zapato
ésto es tu zapato .
e̞ s t o̞ WORD_BOUNDARY e̞ s WORD_BOUNDARY t u WORD_BOUNDARY s a p a t o̞ WORD_BOUNDARY
é s t o WORD_BOUNDARY e s WORD_BOUNDARY t u WORD_BOUNDARY z a p a t o WORD_BOUNDARY . WORD_BOUNDARY