-er -ey a-a a-c a-t aaa aac aae aag aao aap aar aas aat aay ac- aca acc ace acg aco acp acr acs act acy aea aec aee aeg aeo aep aer aes aet aey ag- aga agc age agg ago agp agr ags agt agy aoa aoc aoe aog aoo aop aor aos aot ap- apa apc ape apg apo app apr aps apt apy ar- ara arc are arg aro arp arr ars art ary as- asa asc ase asg aso asp asr ass ast asy at- ata atc ate atg ato atp atr ats att ay- aya ayc aye ayo ayp ayr ays ayt c-- caa cac cae cag cao cap car cas cat cay cca ccc cce ccg cco ccp ccr ccs cct ce- cea cec cee ceg ceo cep cer ces cet cey cga cgc cge cgg cgo cgp cgr cgs cgt cgy co- coa coc coe cog coo cop cor cos cot coy cpa cpc cpe cpg cpo cpp cpr cps cpt cra crc cre crg cro crp crr crs crt cry csa csc cse csg cso csp csr css cst csy cta ctc cte ctg cto ctp ctr cts ctt cty cya cyc cye cyg cyo cyp cyr cys cyt eaa eac eae eag eao eap ear eas eat ec- eca ecc ece ecg eco ecr ecs ect eea eec eee eeg eeo eep eer ees eet eey ega egc ege egg ego egp egr egs egt egy eo- eoa eoc eoe eog eoo eop eor eos eot ep- epa epc epe epg epo epp epr eps ept era erc ere erg ero erp err ers ert ery es- esa esc ese esg eso esp esr ess est esy eta etc ete etg eto etp etr ets ett ety eya eyc eye eyo eyp eyr eys eyt g-p gaa gac gae gag gao gap gar gas gat gay gca gcc gce gcg gco gcp gcr gcs gct ge- gea gec gee geg geo gep ger ges get gey gga ggc ggg ggo ggp ggr ggs ggt goa goc goe gog goo gop gor gos got goy gpa gpc gpe gpg gpo gpp gpr gps gpt gra grc gre grg gro grp grr grs grt gry gsa gsc gse gsg gso gsp gsr gss gst gta gtc gte gtg gto gtp gtr gts gtt gty gy- gya gye gyo gyp gyr gys oaa oac oae oag oao oap oar oas oat oc- oca occ ocg oco ocp ocr ocs oct oea oec oee oeg oeo oep oer oes oet oey oga ogc oge ogg ogo ogp ogs ogt ogy oo- ooa ooc oog ooo oop oor oos oot op- opa opc ope opg opo opp opr ops opt opy or- ora orc ore org oro orp orr ors ort ory os- osa osc ose osg oso osp osr oss ost ot- ota otc ote otg oto otp otr ots ott oya oye oyo oys p-p paa pac pae pag pao pap par pas pat pay pca pcc pce pcg pco pcp pcr pcs pct pea pec pee peg peo pep per pes pet pey pga pgc pge pgg pgo pgp pgr pgs pgt pgy poa poc poe pog poo pop por pos pot poy ppa ppc ppe ppg ppo ppp ppr pps ppt pra prc pre prg pro prp prr prs prt pry ps- psa psc pse psg pso psp psr pss pst psy pt- pta ptc pte ptg pto ptp ptr pts ptt pty py- pya pyc pye pyg pyo pyr pys pyt ra- raa rac rae rag rao rap rar ras rat ray rca rcc rce rcg rco rcp rcr rcs rct re- rea rec ree reg reo rep rer res ret rey rga rgc rge rgg rgo rgp rgr rgs rgt roa roc roe rog roo rop ror ros rot roy rpa rpc rpe rpg rpo rpp rpr rps rpt rra rrc rrg rrp rrr rrs rrt rsa rsc rse rsg rso rsp rsr rss rst rta rtc rte rtg rto rtp rtr rts rtt rty ry- rya ryc rye ryg ryo ryr rys ryy saa sac sae sag sao sap sar sas sat say sca scc sce scg sco scp scr scs sct se- sea sec see seg seo sep ser ses set sey sga sgc sge sgg sgo sgp sgr sgs sgt soa soc soe sog soo sop sor sos sot soy spa spc spe spg spo spp spr sps spt spy sr- sra src sre srg sro srp srr srs srt sry ss- ssa ssc sse ssg sso ssp ssr sss sst sta stc ste stg sto stp str sts stt sty sy- sya syc sye syg syp syr sys syt taa tac tae tag tao tap tar tas tat tay tca tcc tce tcg tco tcp tcr tcs tct te- tea tec tee teg teo tep ter tes tet tey tga tgc tge tgg tgo tgp tgr tgs tgt tgy to- toa toc toe tog too top tor tos tot toy tpa tpc tpe tpg tpo tpp tpr tps tpt tra trc tre trg tro trp trr trs trt try tsa tsc tse tsg tso tsp tsr tss tst tsy tta ttc tte ttg tto ttp ttr tts ttt tty tya tyc tye tyg tyo typ tyr tys tyt yaa yac yae yag yao yap yar yas yat yay yca ycc yce yco ycp ycs ycy yea yec yee yeg yeo yep yer yes yet yey yga ygc ygo yoc yoe yog yoo yop yor yos yot yoy ypa ypg ypo yps yra yrc yre yrg yro yrp yrs yrt ysa ysc yse ysg yso ysp ysr yss yst ysy yta ytc yte yto ytp ytr yts ytt yyc yye yyg yys yyt yyy