This always does the trick for me.
http://www.cafepress.com/flyertalk.547380934
I've seen DYKWIA (
the DYKWIA, not a DYKWIA) in 1C on a couple of MAN - LHR flights, and I've seen c-w-s in the CCR, but I didn't speak to either of them. My mother warned me not to speak to strange men.