a-a a-c aaa aac aag aam aan ac- aca acc acg acm acn ag- aga agc agg agm agn ama amc amg amm amn an- ana anc ang anm ann c-- caa cac cag cam can cca ccc ccg ccm ccn cga cgc cgg cgm cgn cma cmc cmg cmm cmn cn- cna cnc cng cnm cnn gaa gac gag gam gan gca gcc gcg gcm gcn gga ggc ggg ggm ggn gma gmc gmg gmm gmn gna gnc gnm gnn maa mac mag mam man mc- mca mcc mcg mcm mcn mga mgc mgm mgn mma mmc mmg mmm mmn mna mnc mng mnm mnn naa nac nag nam nan nca ncc ncg ncm ncn nga ngc ngg ngm ngn nma nmc nmg nmm nmn nna nnc nng nnm nnn