aa dakara yuuuteru yan
aa dakara yuuuteru yan .
aː WORD_BOUNDARY d a k a r a WORD_BOUNDARY j ɯː ɯ t e r ɯ WORD_BOUNDARY j a n WORD_BOUNDARY
a a WORD_BOUNDARY d a k a r a WORD_BOUNDARY y u u u t e r u WORD_BOUNDARY y a n WORD_BOUNDARY