58 (credit to all entries above!). I hope I got the probability correct...

1 2 3 4 5 6 123456789012345678901234567890123456789012345678901234567890 perl -e'select$u,$u,$u,.1while$|=print+rand>5/9?"wub ":"wooo "'

Update: If you are happy to accept hyphens rather than blanks, we can save for more characters, see Re: Why is this auto-quoted?

1 2 3 4 5 6 123456789012345678901234567890123456789012345678901234567890 perl -e'select$u,$u,$u,.1while$|=print+rand>5/9?-wub:-wooo'

In reply to Re: Golfing dubstep.pl by hdb
in thread Golfing dubstep.pl by perlaintdead

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