Is there any VERB that doesn't contain any VOWEL letter (a,e,i,o,u) ?

My friend asked me to say a verb that doesn't have any vowel letter. I thought & thought & thought for half an hour but could not reply and said "none verb exists like this". He said there exists but only one. He gave me one day to guess.So guls & guys. i am here to know if any body here of u know it.Please help me .You will get 10 points if YOU answer it, remember that it should be a verb not any word..........waiting .....20hrs only more