ko shita ra ii yaro
ko shita ra ii yaro ?
k o WORD_BOUNDARY ʃ i t a WORD_BOUNDARY r a WORD_BOUNDARY i i WORD_BOUNDARY j a r o WORD_BOUNDARY
k o WORD_BOUNDARY s h i t a WORD_BOUNDARY r a WORD_BOUNDARY i i WORD_BOUNDARY y a r o WORD_BOUNDARY