kita bikin batu+batuan yuk
kita bikin batu batuan yuk .
k i t a WORD_BOUNDARY b i k i n WORD_BOUNDARY b a t u WORD_BOUNDARY b a t u a n WORD_BOUNDARY j u k WORD_BOUNDARY
k i t a WORD_BOUNDARY b i k i n WORD_BOUNDARY b a t u WORD_BOUNDARY b a t u a n WORD_BOUNDARY y u k WORD_BOUNDARY . WORD_BOUNDARY