nare ni natteru n ka
nare ni natteru n ka .
n a r e WORD_BOUNDARY n i WORD_BOUNDARY n a t t e r ɯ WORD_BOUNDARY n WORD_BOUNDARY k a WORD_BOUNDARY
n a r e WORD_BOUNDARY n i WORD_BOUNDARY n a t t e r u WORD_BOUNDARY n WORD_BOUNDARY k a WORD_BOUNDARY