koko ni itta yo koko
koko ni itta yo koko .
k o k o WORD_BOUNDARY n i WORD_BOUNDARY i t t a WORD_BOUNDARY j o WORD_BOUNDARY k o k o WORD_BOUNDARY
k o k o WORD_BOUNDARY n i WORD_BOUNDARY i t t a WORD_BOUNDARY y o WORD_BOUNDARY k o k o WORD_BOUNDARY