di atas ato di bawah balon
di atas ato di bawah balon ?
d i WORD_BOUNDARY  a t a s WORD_BOUNDARY a t o WORD_BOUNDARY d i WORD_BOUNDARY b a w a h WORD_BOUNDARY b a l o n WORD_BOUNDARY
d i WORD_BOUNDARY a t a s WORD_BOUNDARY a t o WORD_BOUNDARY d i WORD_BOUNDARY b a w a h WORD_BOUNDARY b a l o n WORD_BOUNDARY