-er -ey a-a a-c a-t aaa aac aae aag aan aao aar aas aat aay ac- aca acc ace acg acn aco acr acs act acy aea aec aee aeg aen aeo aer aes aet aey ag- aga agc age agg agn ago agr ags agt agy an- ana anc ane ang ann ano anr ans ant any aoa aoc aoe aog aon aoo aor aos aot ar- ara arc are arg arn aro arr ars art ary as- asa asc ase asg asn aso asr ass ast asy at- ata atc ate atg atn ato atr ats att ay- aya ayc aye ayn ayo ayr ays ayt c-- caa cac cae cag can cao car cas cat cay cca ccc cce ccg ccn cco ccr ccs cct ce- cea cec cee ceg cen ceo cer ces cet cey cga cgc cge cgg cgn cgo cgr cgs cgt cgy cn- cna cnc cne cng cnn cno cnr cns cnt cny co- coa coc coe cog con coo cor cos cot coy cra crc cre crg crn cro crr crs crt cry csa csc cse csg csn cso csr css cst csy cta ctc cte ctg ctn cto ctr cts ctt cty cya cyc cye cyg cyn cyo cyr cys cyt eaa eac eae eag ean eao ear eas eat ec- eca ecc ece ecg ecn eco ecr ecs ect eea eec eee eeg een eeo eer ees eet eey ega egc ege egg egn ego egr egs egt egy en- ena enc ene eng enn eno enr ens ent eny eo- eoa eoc eoe eog eon eoo eor eos eot era erc ere erg ern ero err ers ert ery es- esa esc ese esg esn eso esr ess est esy eta etc ete etg etn eto etr ets ett ety eya eyc eye eyn eyo eyr eys eyt gaa gac gae gag gan gao gar gas gat gay gca gcc gce gcg gcn gco gcr gcs gct ge- gea gec gee geg gen geo ger ges get gey gga ggc ggg ggn ggo ggr ggs ggt gna gnc gne gnn gno gnr gns gnt goa goc goe gog gon goo gor gos got goy gra grc gre grg grn gro grr grs grt gry gsa gsc gse gsg gsn gso gsr gss gst gta gtc gte gtg gtn gto gtr gts gtt gty gy- gya gye gyn gyo gyr gys naa nac nae nag nan nao nar nas nat nay nca ncc nce ncg ncn nco ncr ncs nct ne- nea nec nee neg nen neo ner nes net ney nga ngc nge ngg ngn ngo ngs ngt nna nnc nne nng nnn nno nns nnt no- noa noc noe nog non noo nor nos not noy nra nrc nre nrg nrn nro nrr nrs nrt nry nsa nsc nse nsg nsn nso nsr nss nst nsy nta ntc nte ntg ntn nto ntr nts ntt nya nyc nye nyg nyn nyo nys nyt nyy oaa oac oae oag oan oao oar oas oat oc- oca occ ocg ocn oco ocr ocs oct oea oec oee oeg oen oeo oer oes oet oey oga ogc oge ogg ogn ogo ogs ogt ogy on- ona onc one ong onn ono onr ons ont ony oo- ooa ooc oog oon ooo oor oos oot or- ora orc ore org orn oro orr ors ort ory os- osa osc ose osg osn oso osr oss ost ot- ota otc ote otg otn oto otr ots ott oya oye oyo oys ra- raa rac rae rag ran rao rar ras rat ray rca rcc rce rcg rcn rco rcr rcs rct re- rea rec ree reg ren reo rer res ret rey rga rgc rge rgg rgn rgo rgr rgs rgt rna rnc rng rnn rno rnr rns rnt rny roa roc roe rog ron roo ror ros rot roy rra rrc rrg rrn rrr rrs rrt rsa rsc rse rsg rsn rso rsr rss rst rta rtc rte rtg rtn rto rtr rts rtt rty ry- rya ryc rye ryg ryn ryo ryr rys ryy saa sac sae sag san sao sar sas sat say sca scc sce scg scn sco scr scs sct se- sea sec see seg sen seo ser ses set sey sga sgc sge sgg sgn sgo sgr sgs sgt sna snc sne sng snn sno snr sns snt sny soa soc soe sog son soo sor sos sot soy sr- sra src sre srg srn sro srr srs srt sry ss- ssa ssc sse ssg ssn sso ssr sss sst sta stc ste stg stn sto str sts stt sty sy- sya syc sye syg syn syr sys syt taa tac tae tag tan tao tar tas tat tay tca tcc tce tcg tcn tco tcr tcs tct te- tea tec tee teg ten teo ter tes tet tey tga tgc tge tgg tgn tgo tgr tgs tgt tgy tna tnc tne tng tnn tno tnr tns tnt to- toa toc toe tog ton too tor tos tot toy tra trc tre trg trn tro trr trs trt try tsa tsc tse tsg tsn tso tsr tss tst tsy tta ttc tte ttg ttn tto ttr tts ttt tty tya tyc tye tyg tyn tyo tyr tys tyt yaa yac yae yag yan yao yar yas yat yay yca ycc yce yco ycs ycy yea yec yee yeg yen yeo yer yes yet yey yga ygc ygo yna yne yng ynn yns yny yoc yoe yog yon yoo yor yos yot yoy yra yrc yre yrg yrn yro yrs yrt ysa ysc yse ysg yso ysr yss yst ysy yta ytc yte ytn yto ytr yts ytt yyc yye yyg yys yyt yyy