koko de tte doko de
koko de tte doko de ?
k o k o WORD_BOUNDARY d e WORD_BOUNDARY t t e WORD_BOUNDARY d o k o WORD_BOUNDARY d e WORD_BOUNDARY
k o k o WORD_BOUNDARY d e WORD_BOUNDARY t t e WORD_BOUNDARY d o k o WORD_BOUNDARY d e WORD_BOUNDARY