o tu tu tu dia tu tu
o tu tu tu dia tu tu .
o WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY d i a WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY
o WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY d i a WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY