de uno en uno si
de uno en uno si .
d e̞ WORD_BOUNDARY u n o̞ WORD_BOUNDARY e̞ n WORD_BOUNDARY u n o̞ WORD_BOUNDARY s i WORD_BOUNDARY
d e WORD_BOUNDARY u n o WORD_BOUNDARY e n WORD_BOUNDARY u n o WORD_BOUNDARY s i WORD_BOUNDARY . WORD_BOUNDARY