tú sí Pa Ma Ma Pa Mamá
tú sí Mamá
pro:sub co n:prop
tú sí pa ma ma pa mamá .
t u WORD_BOUNDARY s i WORD_BOUNDARY p a WORD_BOUNDARY m a WORD_BOUNDARY m a WORD_BOUNDARY p a WORD_BOUNDARY m a m a WORD_BOUNDARY
t ú WORD_BOUNDARY s í WORD_BOUNDARY p a WORD_BOUNDARY m a WORD_BOUNDARY m a WORD_BOUNDARY p a WORD_BOUNDARY m a m á WORD_BOUNDARY . WORD_BOUNDARY