a-a a-c aaa aac aae aag aam aan aas ac- aca acc ace acg acm acn acs aea aec aee aeg aem aen aes ag- aga agc age agg agm agn ags ama amc ame amg amm amn ams an- ana anc ane ang anm ann ans as- asa asc ase asg asm asn ass c-- caa cac cae cag cam can cas cca ccc cce ccg ccm ccn ccs ce- cea cec cee ceg cem cen ces cga cgc cge cgg cgm cgn cgs cma cmc cme cmg cmm cmn cms cn- cna cnc cne cng cnm cnn cns csa csc cse csg csm csn css eaa eac eae eag eam ean eas ec- eca ecc ece ecg ecm ecn ecs eea eec eee eeg eem een ees ega egc ege egg egm egn egs em- ema emc eme emg emm emn ems en- ena enc ene eng enm enn ens es- esa esc ese esg esm esn ess gaa gac gae gag gam gan gas gca gcc gce gcg gcm gcn gcs ge- gea gec gee geg gem gen ges gga ggc ggg ggm ggn ggs gma gmc gme gmg gmm gmn gms gna gnc gne gnm gnn gns gsa gsc gse gsg gsm gsn gss maa mac mae mag mam man mas mc- mca mcc mce mcg mcm mcn mcs mea mec mee meg mem men mes mga mgc mge mgm mgn mgs mma mmc mme mmg mmm mmn mms mna mnc mne mng mnm mnn mns msa msc mse msg msm msn mss naa nac nae nag nam nan nas nca ncc nce ncg ncm ncn ncs ne- nea nec nee neg nem nen nes nga ngc nge ngg ngm ngn ngs nma nmc nme nmg nmm nmn nms nna nnc nne nng nnm nnn nns nsa nsc nse nsg nsm nsn nss saa sac sae sag sam san sas sca scc sce scg scm scn scs se- sea sec see seg sem sen ses sga sgc sge sgg sgm sgn sgs sma smc sme smg smm smn sms sna snc sne sng snm snn sns ss- ssa ssc sse ssg ssm ssn sss