sub f { my@r=qw(UA[AG]|UGA GC. - UG[UC] GA[UC] GA[AG] UU[UC] GG. CA[UC] AU[^G] - AA[AG] CU.|UU[AG] AUG AA[UC] - CC. CA[AG] CG.|AG[AG] UC.|AG[UC] AC. - GU. UGG - UA[UC] ^); ((my$t=pop)=~s|..?.?|chr 64+(grep$&=~/$r[$_]/,0..26)[0]|eg);$t=~y/@Z/./d;$t }