tu nggak ngapa+ngapain tu
tu nggak ngapa ngapain tu .
t u WORD_BOUNDARY ŋ ɡ a k WORD_BOUNDARY ŋ a p a WORD_BOUNDARY ŋ a p a i n WORD_BOUNDARY t u WORD_BOUNDARY
t u WORD_BOUNDARY n g g a k WORD_BOUNDARY n g a p a WORD_BOUNDARY n g a p a i n WORD_BOUNDARY t u WORD_BOUNDARY . WORD_BOUNDARY