-er -ey a-a a-c a-t aaa aac aae aag aan aao aar aas aat aau aay ac- aca acc ace acg acn aco acr acs act acu acy aea aec aee aeg aen aeo aer aes aet aeu aey ag- aga agc age agg agn ago agr ags agt agu agy an- ana anc ane ang ann ano anr ans ant anu any aoa aoc aoe aog aon aoo aor aos aot aou ar- ara arc are arg arn aro arr ars art aru ary as- asa asc ase asg asn aso asr ass ast asu asy at- ata atc ate atg atn ato atr ats att atu au- aua auc aue aug aun auo aur aus aut ay- aya ayc aye ayn ayo ayr ays ayt ayu c-- caa cac cae cag can cao car cas cat cau cay cca ccc cce ccg ccn cco ccr ccs cct ccu ce- cea cec cee ceg cen ceo cer ces cet ceu cey cga cgc cge cgg cgn cgo cgr cgs cgt cgu cgy cn- cna cnc cne cng cnn cno cnr cns cnt cnu cny co- coa coc coe cog con coo cor cos cot cou coy cra crc cre crg crn cro crr crs crt cru cry csa csc cse csg csn cso csr css cst csu csy cta ctc cte ctg ctn cto ctr cts ctt ctu cty cua cuc cue cug cun cuo cur cus cut cuu cuy cya cyc cye cyg cyn cyo cyr cys cyt eaa eac eae eag ean eao ear eas eat eau ec- eca ecc ece ecg ecn eco ecr ecs ect ecu eea eec eee eeg een eeo eer ees eet eey ega egc ege egg egn ego egr egs egt egu egy en- ena enc ene eng enn eno enr ens ent enu eny eo- eoa eoc eoe eog eon eoo eor eos eot eou era erc ere erg ern ero err ers ert eru ery es- esa esc ese esg esn eso esr ess est esu esy eta etc ete etg etn eto etr ets ett etu ety eu- eua euc eue eug eun eur eus eut eya eyc eye eyn eyo eyr eys eyt gaa gac gae gag gan gao gar gas gat gau gay gca gcc gce gcg gcn gco gcr gcs gct gcu ge- gea gec gee geg gen geo ger ges get geu gey gga ggc ggg ggn ggo ggr ggs ggt ggu gna gnc gne gnn gno gnr gns gnt gnu goa goc goe gog gon goo gor gos got gou goy gra grc gre grg grn gro grr grs grt gru gry gsa gsc gse gsg gsn gso gsr gss gst gsu gta gtc gte gtg gtn gto gtr gts gtt gtu gty gu- gua guc gue gug gun guo gur gus gut guu guy gy- gya gye gyn gyo gyr gys naa nac nae nag nan nao nar nas nat nau nay nca ncc nce ncg ncn nco ncr ncs nct ncu ne- nea nec nee neg nen neo ner nes net neu ney nga ngc nge ngg ngn ngo ngs ngt ngu nna nnc nne nng nnn nno nns nnt nnu no- noa noc noe nog non noo nor nos not nou noy nra nrc nre nrg nrn nro nrr nrs nrt nru nry nsa nsc nse nsg nsn nso nsr nss nst nsu nsy nta ntc nte ntg ntn nto ntr nts ntt ntu nua nuc nue nug nun nuo nur nus nut nuu nuy nya nyc nye nyg nyn nyo nys nyt nyu nyy oaa oac oae oag oan oao oar oas oat oau oc- oca occ ocg ocn oco ocr ocs oct ocu 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 onu ony oo- ooa ooc oog oon ooo oor oos oot or- ora orc ore org orn oro orr ors ort oru ory os- osa osc ose osg osn oso osr oss ost osu ot- ota otc ote otg otn oto otr ots ott otu ou- oua ouc oue oun ouo our ous out oya oye oyo oys ra- raa rac rae rag ran rao rar ras rat rau ray rca rcc rce rcg rcn rco rcr rcs rct rcu re- rea rec ree reg ren reo rer res ret reu rey rga rgc rge rgg rgn rgo rgr rgs rgt rna rnc rng rnn rno rnr rns rnt rnu rny roa roc roe rog ron roo ror ros rot rou roy rra rrc rrg rrn rrr rrs rrt rru rsa rsc rse rsg rsn rso rsr rss rst rsu rta rtc rte rtg rtn rto rtr rts rtt rtu rty rua ruc rue rug run ruo rur rus rut ruu ruy ry- rya ryc rye ryg ryn ryo ryr rys ryu ryy saa sac sae sag san sao sar sas sat sau say sca scc sce scg scn sco scr scs sct scu se- sea sec see seg sen seo ser ses set seu sey sga sgc sge sgg sgn sgo sgr sgs sgt sgu sna snc sne sng snn sno snr sns snt snu sny soa soc soe sog son soo sor sos sot sou soy sr- sra src sre srg srn sro srr srs srt sry ss- ssa ssc sse ssg ssn sso ssr sss sst ssu sta stc ste stg stn sto str sts stt stu sty sua suc sue sug sun suo sur sus sut suu suy sy- sya syc sye syg syn syr sys syt syu taa tac tae tag tan tao tar tas tat tau tay tca tcc tce tcg tcn tco tcr tcs tct tcu te- tea tec tee teg ten teo ter tes tet teu tey tga tgc tge tgg tgn tgo tgr tgs tgt tgu tgy tna tnc tne tng tnn tno tnr tns tnt to- toa toc toe tog ton too tor tos tot tou