a-a a-c aaa aac aag aan aav ac- aca acc acg acn acv ag- aga agc agg agn agv an- ana anc ang ann anv av- ava avc avg avn c-- caa cac cag can cav cca ccc ccg ccn ccv cga cgc cgg cgn cgv cn- cna cnc cng cnn cnv cva cvc cvg cvn cvv gaa gac gag gan gav gca gcc gcg gcn gga ggc ggg ggn ggv gna gnc gnn gnv gva gvc gvg gvn naa nac nag nan nav nca ncc ncg ncn ncv nga ngc ngg ngn nna nnc nng nnn nnv nva nvc nvg nvn nvv v-a vaa vac vag van vav vca vcc vcn vga vgc vgg vgn vn- vna vng vnv vva vvc vvg vvv