-er -ey c-- ccc cce ccg cck cco ccr ccs cct ce- cec cee ceg cek ceo cer ces cet cey cgc cge cgg cgo cgr cgs cgt cgy ckc cko cks ckt cky co- coc coe cog cok coo cor cos cot coy crc cre crg crk cro crr crs crt cry csc cse csg csk cso csr css cst csy ctc cte ctg ctk cto ctr cts ctt cty cyc cye cyg cyk cyo cyr cys cyt ec- ecc ece ecg eck eco ecr ecs ect eec eee eeg eek eeo eer ees eet eey egc ege egg ego egr egs egt egy ekc eke ekg eko ekr eks ekt eky eo- eoc eoe eog eok eoo eor eos eot erc ere erg erk ero err ers ert ery es- esc ese esg esk eso esr ess est esy etc ete etg etk eto etr ets ett ety eyc eye eyo eyr eys eyt gcc gce gcg gck gco gcr gcs gct ge- gec gee geg gek geo ger ges get gey ggc ggg ggo ggr ggs ggt gko gks gkt goc goe gog gok goo gor gos got goy grc gre grg grk gro grr grs grt gry gsc gse gsg gsk gso gsr gss gst gtc gte gtg gtk gto gtr gts gtt gty gy- gye gyo gyr gys k-t kcc kce kcg kck kcr kcs kct ke- kec kee keg kek keo ker kes ket key kgc kgo kgs kgy kkc kke kkk kkr kks kkt kky koc koe kog kok koo kor kos kot koy krc krg krk kro krr krs krt kry ksc kse ksg ksk kso ksr kss kst ktc kte ktg ktk kto ktr kts ktt kyc kye kyo kyr kys kyt oc- occ ocg ock oco ocr ocs oct oec oee oeg oeo oer oes oet oey ogc oge ogg ogo ogs ogt ogy okc oke okg okk oko okr oks oo- ooc oog ook ooo oor oos oot or- orc ore org ork oro orr ors ort ory os- osc ose osg osk oso osr oss ost ot- otc ote otg otk oto otr ots ott oye oyo oys rcc rce rcg rco rcr rcs rct re- rec ree reg rek reo rer res ret rey rgc rge rgg rgk rgo rgr rgs rgt rkc rke rkg rkk rko rks rkt rky roc roe rog rok roo ror ros rot roy rrc rrg rrk rrr rrs rrt rsc rse rsg rsk rso rsr rss rst rtc rte rtg rtk rto rtr rts rtt rty ry- ryc rye ryg ryk ryo ryr rys ryy scc sce scg sck sco scr scs sct se- sec see seg sek seo ser ses set sey sgc sge sgg sgk sgo sgr sgs sgt sk- skc ske skg skk sko skr sks skt sky soc soe sog sok soo sor sos sot soy sr- src sre srg srk sro srr srs srt sry ss- ssc sse ssg ssk sso ssr sss sst stc ste stg stk sto str sts stt sty sy- syc sye syg syk syr sys syt tcc tce tcg tck tco tcr tcs tct te- tec tee teg tek teo ter tes tet tey tgc tge tgg tgk tgo tgr tgs tgt tgy tkc tke tkg tkk tko tkr tks tkt tky to- toc toe tog tok too tor tos tot toy trc tre trg trk tro trr trs trt try tsc tse tsg tsk tso tsr tss tst tsy ttc tte ttg ttk tto ttr tts ttt tty tyc tye tyg tyo tyr tys tyt ycc yce yco ycs ycy yec yee yeg yek yeo yer yes yet yey ygc ygo ykk yoc yoe yog yok yoo yor yos yot yoy yrc yre yrg yro yrs yrt ysc yse ysg ysk yso ysr yss yst ysy ytc yte ytk yto ytr yts ytt yyc yye yyg yys yyt yyy