udah udah dah dah udah
udah udah dah dah udah .
u d a h WORD_BOUNDARY u d a h WORD_BOUNDARY d a h WORD_BOUNDARY d a h WORD_BOUNDARY u d a h WORD_BOUNDARY
u d a h WORD_BOUNDARY u d a h WORD_BOUNDARY d a h WORD_BOUNDARY d a h WORD_BOUNDARY u d a h WORD_BOUNDARY