hiyoko koko ni inai yo
hiyoko koko ni inai yo .
h i j o k o WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY i n a i WORD_BOUNDARY j o WORD_BOUNDARY
h i y o k o WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY i n a i WORD_BOUNDARY y o WORD_BOUNDARY