Rizka bisa tumpuk+tumpukin nggak ni
rizka bisa tumpuk tumpukin nggak ni ?
r i z k a WORD_BOUNDARY b i s a WORD_BOUNDARY t u m p u k WORD_BOUNDARY t u m p u k i n WORD_BOUNDARY ŋ ɡ a k WORD_BOUNDARY n i WORD_BOUNDARY
r i z k a WORD_BOUNDARY b i s a WORD_BOUNDARY t u m p u k WORD_BOUNDARY t u m p u k i n WORD_BOUNDARY n g g a k WORD_BOUNDARY n i WORD_BOUNDARY