o udah ah udah sini udah
o udah ah udah sini udah .
o WORD_BOUNDARY u d a h WORD_BOUNDARY a h WORD_BOUNDARY u d a h WORD_BOUNDARY s i n i WORD_BOUNDARY u d a h WORD_BOUNDARY
o WORD_BOUNDARY u d a h WORD_BOUNDARY a h WORD_BOUNDARY u d a h WORD_BOUNDARY s i n i WORD_BOUNDARY u d a h WORD_BOUNDARY . WORD_BOUNDARY