-er -ey a-a a-c aaa aac aae aag aan aar aas aay ac- aca acc ace acg acn acr acs acy aea aec aee aeg aen aer aes aey ag- aga agc age agg agn agr ags agy an- ana anc ane ang ann anr ans any ar- ara arc are arg arn arr ars ary as- asa asc ase asg asn asr ass asy ay- aya ayc aye ayn ayr ays c-- caa cac cae cag can car cas cay cca ccc cce ccg ccn ccr ccs ce- cea cec cee ceg cen cer ces cey cga cgc cge cgg cgn cgr cgs cgy cn- cna cnc cne cng cnn cnr cns cny cra crc cre crg crn crr crs cry csa csc cse csg csn csr css csy cya cyc cye cyg cyn cyr cys eaa eac eae eag ean ear eas ec- eca ecc ece ecg ecn ecr ecs eea eec eee eeg een eer ees eey ega egc ege egg egn egr egs egy en- ena enc ene eng enn enr ens eny era erc ere erg ern err ers ery es- esa esc ese esg esn esr ess esy eya eyc eye eyn eyr eys gaa gac gae gag gan gar gas gay gca gcc gce gcg gcn gcr gcs ge- gea gec gee geg gen ger ges gey gga ggc ggg ggn ggr ggs gna gnc gne gnn gnr gns gra grc gre grg grn grr grs gry gsa gsc gse gsg gsn gsr gss gy- gya gye gyn gyr gys naa nac nae nag nan nar nas nay nca ncc nce ncg ncn ncr ncs ne- nea nec nee neg nen ner nes ney nga ngc nge ngg ngn ngs nna nnc nne nng nnn nns nra nrc nre nrg nrn nrr nrs nry nsa nsc nse nsg nsn nsr nss nsy nya nyc nye nyg nyn nys nyy ra- raa rac rae rag ran rar ras ray rca rcc rce rcg rcn rcr rcs re- rea rec ree reg ren rer res rey rga rgc rge rgg rgn rgr rgs rna rnc rng rnn rnr rns rny rra rrc rrg rrn rrr rrs rsa rsc rse rsg rsn rsr rss ry- rya ryc rye ryg ryn ryr rys ryy saa sac sae sag san sar sas say sca scc sce scg scn scr scs se- sea sec see seg sen ser ses sey sga sgc sge sgg sgn sgr sgs sna snc sne sng snn snr sns sny sr- sra src sre srg srn srr srs sry ss- ssa ssc sse ssg ssn ssr sss sy- sya syc sye syg syn syr sys yaa yac yae yag yan yar yas yay yca ycc yce ycs ycy yea yec yee yeg yen yer yes yey yga ygc yna yne yng ynn yns yny yra yrc yre yrg yrn yrs ysa ysc yse ysg ysr yss ysy yyc yye yyg yys yyy