Taro wa doko itai no
taro wa doko itai no ?
t a r o WORD_BOUNDARY w a WORD_BOUNDARY d o k o WORD_BOUNDARY i t a i WORD_BOUNDARY n o WORD_BOUNDARY
t a r o WORD_BOUNDARY w a WORD_BOUNDARY d o k o WORD_BOUNDARY i t a i WORD_BOUNDARY n o WORD_BOUNDARY