a_ver venga tú
a_ver venga tú
co co pro:sub
a ver venga tú .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY β e̞ n ɡ a WORD_BOUNDARY t u WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY v e n g a WORD_BOUNDARY t ú WORD_BOUNDARY . WORD_BOUNDARY