tu tu tu tu tu tuw
tu tu tu tu tu tuw .
t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u w WORD_BOUNDARY
t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u WORD_BOUNDARY t u w WORD_BOUNDARY . WORD_BOUNDARY