ara yoku wakatta wa ne
ara yoku wakatta wa ne .
a r a WORD_BOUNDARY j o k ɯ WORD_BOUNDARY w a k a t t a WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY
a r a WORD_BOUNDARY y o k u WORD_BOUNDARY w a k a t t a WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY