kok koko mo koko wa
kok koko mo koko wa .
k o k WORD_BOUNDARY k o k o WORD_BOUNDARY m o WORD_BOUNDARY k o k o WORD_BOUNDARY w a WORD_BOUNDARY
k o k WORD_BOUNDARY k o k o WORD_BOUNDARY m o WORD_BOUNDARY k o k o WORD_BOUNDARY w a WORD_BOUNDARY