Uh - i'm not so sure it's against the rules to use letters, as i'm pretty sure the houses at iowa, drake, and iowa state have "phi gamma delta" on them, as do some others. i think it's just an abbreviation accepted by national (ie "Phi G"), and i know some friends of mine have letter shirts w/ FIJI written on it, and also others with the greek letters. anyway, two cents
rob
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