a-a a-c aaa aac aad aag aan aas ac- aca acc acd acg acn acs ad- ada adc add adg adn ads ag- aga agc agd agg agn ags an- ana anc and ang ann ans as- asa asc asd asg asn ass c-- caa cac cad cag can cas cca ccc ccd ccg ccn ccs cda cdc cdd cdg cdn cds cga cgc cgd cgg cgn cgs cn- cna cnc cnd cng cnn cns csa csc csd csg csn css daa dac dad dag dan das dca dcc dcd dcg dcn dcs dda ddc ddd ddg ddn dds dga dgc dgd dgg dgn dgs dna dnc dnd dng dnn dns dsa dsc dsd dsg dsn dss g-d gaa gac gad gag gan gas gca gcc gcd gcg gcn gcs gda gdc gdd gdn gds gga ggc ggd ggg ggn ggs gna gnc gnd gnn gns gsa gsc gsd gsg gsn gss naa nac nad nag nan nas nca ncc ncd ncg ncn ncs nda ndc ndd ndg ndn nds nga ngc ngd ngg ngn ngs nna nnc nng nnn nns nsa nsc nsd nsg nsn nss saa sac sad sag san sas sca scc scd scg scn scs sda sdc sdd sdg sdn sds sga sgc sgd sgg sgn sgs sna snc snd sng snn sns ss- ssa ssc ssd ssg ssn sss