tu kupu+kupu ini Dik
tu kupu kupu ini dik .
t u WORD_BOUNDARY k u p u WORD_BOUNDARY k u p u WORD_BOUNDARY i n i WORD_BOUNDARY d i k WORD_BOUNDARY
t u WORD_BOUNDARY k u p u WORD_BOUNDARY k u p u WORD_BOUNDARY i n i WORD_BOUNDARY d i k WORD_BOUNDARY . WORD_BOUNDARY