bisa nggak ditumpuk bisa nggak
bisa nggak ditumpuk bisa nggak ?
b i s a WORD_BOUNDARY ŋ ɡ a k WORD_BOUNDARY d i t u m p u k WORD_BOUNDARY b i s a WORD_BOUNDARY ŋ ɡ a k WORD_BOUNDARY
b i s a WORD_BOUNDARY n g g a k WORD_BOUNDARY d i t u m p u k WORD_BOUNDARY b i s a WORD_BOUNDARY n g g a k WORD_BOUNDARY