okao ga itai yo tte
okao ga itai yo tte .
o k a o WORD_BOUNDARY g a WORD_BOUNDARY i t a i WORD_BOUNDARY j o WORD_BOUNDARY t t e WORD_BOUNDARY
o k a o WORD_BOUNDARY g a WORD_BOUNDARY i t a i WORD_BOUNDARY y o WORD_BOUNDARY t t e WORD_BOUNDARY