dandan ookiku narimashita
dandan ookiku narimashita .
d a n d a n WORD_BOUNDARY oː k i k ɯ WORD_BOUNDARY n a r i m a ʃ i t a WORD_BOUNDARY
d a n d a n WORD_BOUNDARY o o k i k u WORD_BOUNDARY n a r i m a s h i t a WORD_BOUNDARY