double your pleasure, double your fun, w, w, gum

I was once in a spelling bee in which a contestant was almost disqualified for spelling two consecutive "M"s as "double-M". The judges let it slide that one time, but I think they feared for a case in which they would not be able to discern between "double-U" and "W". There are not many cases of two consecutive "U"s, though. Vacuum and duumvirate come to mind.










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