ésto es un oso
ésto es un oso .
e̞ s t o̞ WORD_BOUNDARY e̞ s WORD_BOUNDARY u n WORD_BOUNDARY o̞ s o̞ WORD_BOUNDARY
é s t o WORD_BOUNDARY e s WORD_BOUNDARY u n WORD_BOUNDARY o s o WORD_BOUNDARY . WORD_BOUNDARY