a tú nene tú
a tú nene tú
prepart pro:sub co pro:sub
a tú nene tú .
a WORD_BOUNDARY t u WORD_BOUNDARY n e̞ n e̞ WORD_BOUNDARY t u WORD_BOUNDARY
a WORD_BOUNDARY t ú WORD_BOUNDARY n e n e WORD_BOUNDARY t ú WORD_BOUNDARY . WORD_BOUNDARY