aka wa wakatta ne
aka wa wakar ne
n ptl:top v:c ptl:fina
aka wa wakatta ne .
a k a WORD_BOUNDARY w a WORD_BOUNDARY w a k a t t a WORD_BOUNDARY n e WORD_BOUNDARY
a k a WORD_BOUNDARY w a WORD_BOUNDARY w a k a t t a WORD_BOUNDARY n e WORD_BOUNDARY