a-a a-c aaa aac aag aam aan aas ac- aca acc acg acm acn acs ag- aga agc agg agm agn ags ama amc amg amm amn ams an- ana anc ang anm ann ans as- asa asc asg asm asn ass c-- caa cac cag cam can cas cca ccc ccg ccm ccn ccs cga cgc cgg cgm cgn cgs cma cmc cmg cmm cmn cms cn- cna cnc cng cnm cnn cns csa csc csg csm csn css gaa gac gag gam gan gas gca gcc gcg gcm gcn gcs gga ggc ggg ggm ggn ggs gma gmc gmg gmm gmn gms gna gnc gnm gnn gns gsa gsc gsg gsm gsn gss maa mac mag mam man mas mc- mca mcc mcg mcm mcn mcs mga mgc mgm mgn mgs mma mmc mmg mmm mmn mms mna mnc mng mnm mnn mns msa msc msg msm msn mss naa nac nag nam nan nas nca ncc ncg ncm ncn ncs nga ngc ngg ngm ngn ngs nma nmc nmg nmm nmn nms nna nnc nng nnm nnn nns nsa nsc nsg nsm nsn nss saa sac sag sam san sas sca scc scg scm scn scs sga sgc sgg sgm sgn sgs sma smc smg smm smn sms sna snc sng snm snn sns ss- ssa ssc ssg ssm ssn sss