ésto son los ojos
ésto son los ojos .
e̞ s t o̞ WORD_BOUNDARY s o̞ n WORD_BOUNDARY l o̞ s WORD_BOUNDARY o̞ x o̞ s WORD_BOUNDARY
é s t o WORD_BOUNDARY s o n WORD_BOUNDARY l o s WORD_BOUNDARY o j o s WORD_BOUNDARY . WORD_BOUNDARY