tu papá o tu mamá
tu papá o tu mamá .
t u WORD_BOUNDARY p a p a WORD_BOUNDARY o̞ WORD_BOUNDARY t u WORD_BOUNDARY m a m a WORD_BOUNDARY
t u WORD_BOUNDARY p a p á WORD_BOUNDARY o WORD_BOUNDARY t u WORD_BOUNDARY m a m á WORD_BOUNDARY . WORD_BOUNDARY