de tres a la vez
de tres a la vez .
d e̞ WORD_BOUNDARY t ɾ e̞ s WORD_BOUNDARY a WORD_BOUNDARY l a WORD_BOUNDARY β e̞ s WORD_BOUNDARY
d e WORD_BOUNDARY t r e s WORD_BOUNDARY a WORD_BOUNDARY l a WORD_BOUNDARY v e z WORD_BOUNDARY . WORD_BOUNDARY