doko ni tonneru tsukuru no
doko ni tonneru tsukuru no ?
d o k o WORD_BOUNDARY n i WORD_BOUNDARY t o n n e r ɯ WORD_BOUNDARY t͡s ɯ k ɯ r ɯ WORD_BOUNDARY n o WORD_BOUNDARY
d o k o WORD_BOUNDARY n i WORD_BOUNDARY t o n n e r u WORD_BOUNDARY t s u k u r u WORD_BOUNDARY n o WORD_BOUNDARY