wa wa wo wa wa wa
wa wa wo wa wa wa .
w a WORD_BOUNDARY w a WORD_BOUNDARY w o WORD_BOUNDARY w a WORD_BOUNDARY w a WORD_BOUNDARY w a WORD_BOUNDARY
w a WORD_BOUNDARY w a WORD_BOUNDARY w o WORD_BOUNDARY w a WORD_BOUNDARY w a WORD_BOUNDARY w a WORD_BOUNDARY . WORD_BOUNDARY