koko wa kore wa inai
koko wa kore wa inai .
k o k o WORD_BOUNDARY w a WORD_BOUNDARY k o r e WORD_BOUNDARY w a WORD_BOUNDARY i n a i WORD_BOUNDARY
k o k o WORD_BOUNDARY w a WORD_BOUNDARY k o r e WORD_BOUNDARY w a WORD_BOUNDARY i n a i WORD_BOUNDARY