y éste es un pato
y éste es un pato .
i WORD_BOUNDARY e̞ s t e̞ WORD_BOUNDARY e̞ s WORD_BOUNDARY u n WORD_BOUNDARY p a t o̞ WORD_BOUNDARY
y WORD_BOUNDARY é s t e WORD_BOUNDARY e s WORD_BOUNDARY u n WORD_BOUNDARY p a t o WORD_BOUNDARY . WORD_BOUNDARY