Mama wareta no tabeta n
mama wareta no tabeta n ?
m a m a WORD_BOUNDARY w a r e t a WORD_BOUNDARY n o WORD_BOUNDARY t a b e t a WORD_BOUNDARY n WORD_BOUNDARY
m a m a WORD_BOUNDARY w a r e t a WORD_BOUNDARY n o WORD_BOUNDARY t a b e t a WORD_BOUNDARY n WORD_BOUNDARY