tu Opi tu apa tu
tu opi tu apa tu ?
t u WORD_BOUNDARY o p i WORD_BOUNDARY t u WORD_BOUNDARY a p a WORD_BOUNDARY t u WORD_BOUNDARY
t u WORD_BOUNDARY o p i WORD_BOUNDARY t u WORD_BOUNDARY a p a WORD_BOUNDARY t u WORD_BOUNDARY ? WORD_BOUNDARY