nggak ngapa+ngapain
nggak ngapa ngapain ?
ŋ ɡ a k WORD_BOUNDARY ŋ a p a WORD_BOUNDARY ŋ a p a i n 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 ? WORD_BOUNDARY