ko ko ko ko ko ko
ko ko ko ko ko ko .
k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY
k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY k o WORD_BOUNDARY