-ey a-a a-c aaa aac aae aag aan aas aay ac- aca acc ace acg acn acs acy aea aec aee aeg aen aes aey ag- aga agc age agg agn ags agy an- ana anc ane ang ann ans any as- asa asc ase asg asn ass asy ay- aya ayc aye ayn ays c-- caa cac cae cag can cas cay cca ccc cce ccg ccn ccs ce- cea cec cee ceg cen ces cey cga cgc cge cgg cgn cgs cgy cn- cna cnc cne cng cnn cns cny csa csc cse csg csn css csy cya cyc cye cyg cyn cys eaa eac eae eag ean eas ec- eca ecc ece ecg ecn ecs eea eec eee eeg een ees eey ega egc ege egg egn egs egy en- ena enc ene eng enn ens eny es- esa esc ese esg esn ess esy eya eyc eye eyn eys gaa gac gae gag gan gas gay gca gcc gce gcg gcn gcs ge- gea gec gee geg gen ges gey gga ggc ggg ggn ggs gna gnc gne gnn gns gsa gsc gse gsg gsn gss gy- gya gye gyn gys naa nac nae nag nan nas nay nca ncc nce ncg ncn ncs ne- nea nec nee neg nen nes ney nga ngc nge ngg ngn ngs nna nnc nne nng nnn nns nsa nsc nse nsg nsn nss nsy nya nyc nye nyg nyn nys nyy saa sac sae sag san sas say sca scc sce scg scn scs se- sea sec see seg sen ses sey sga sgc sge sgg sgn sgs sna snc sne sng snn sns sny ss- ssa ssc sse ssg ssn sss sy- sya syc sye syg syn sys yaa yac yae yag yan yas yay yca ycc yce ycs ycy yea yec yee yeg yen yes yey yga ygc yna yne yng ynn yns yny ysa ysc yse ysg yss ysy yyc yye yyg yys yyy