-er -ey c-- ccc cce ccg cco ccr ccs cct ccu ce- cec cee ceg ceo cer ces cet ceu cey cgc cge cgg cgo cgr cgs cgt cgu cgy co- coc coe cog coo cor cos cot cou coy crc cre crg cro crr crs crt cru cry csc cse csg cso csr css cst csu csy ctc cte ctg cto ctr cts ctt ctu cty cuc cue cug cuo cur cus cut cuu cuy cyc cye cyg cyo cyr cys cyt ec- ecc ece ecg eco ecr ecs ect ecu eec eee eeg eeo eer ees eet eey egc ege egg ego egr egs egt egu egy eo- eoc eoe eog eoo eor eos eot eou erc ere erg ero err ers ert eru ery es- esc ese esg eso esr ess est esu esy etc ete etg eto etr ets ett etu ety eu- euc eue eug eur eus eut eyc eye eyo eyr eys eyt gcc gce gcg gco gcr gcs gct gcu ge- gec gee geg geo ger ges get geu gey ggc ggg ggo ggr ggs ggt ggu goc goe gog goo gor gos got gou goy grc gre grg gro grr grs grt gru gry gsc gse gsg gso gsr gss gst gsu gtc gte gtg gto gtr gts gtt gtu gty gu- guc gue gug guo gur gus gut guu guy gy- gye gyo gyr gys oc- occ ocg oco ocr ocs oct ocu oec oee oeg oeo oer oes oet oey ogc oge ogg ogo ogs ogt ogy oo- ooc oog ooo oor oos oot or- orc ore org oro orr ors ort oru ory os- osc ose osg oso osr oss ost osu ot- otc ote otg oto otr ots ott otu ou- ouc oue ouo our ous out oye oyo oys rcc rce rcg rco rcr rcs rct rcu re- rec ree reg reo rer res ret reu rey rgc rge rgg rgo rgr rgs rgt roc roe rog roo ror ros rot rou roy rrc rrg rrr rrs rrt rru rsc rse rsg rso rsr rss rst rsu rtc rte rtg rto rtr rts rtt rtu rty ruc rue rug ruo rur rus rut ruu ruy ry- ryc rye ryg ryo ryr rys ryu ryy scc sce scg sco scr scs sct scu se- sec see seg seo ser ses set seu sey sgc sge sgg sgo sgr sgs sgt sgu soc soe sog soo sor sos sot sou soy sr- src sre srg sro srr srs srt sry ss- ssc sse ssg sso ssr sss sst ssu stc ste stg sto str sts stt stu sty suc sue sug suo sur sus sut suu suy sy- syc sye syg syr sys syt syu tcc tce tcg tco tcr tcs tct tcu te- tec tee teg teo ter tes tet teu tey tgc tge tgg tgo tgr tgs tgt tgu tgy to- toc toe tog too tor tos tot tou toy trc tre trg tro trr trs trt tru try tsc tse tsg tso tsr tss tst tsu tsy ttc tte ttg tto ttr tts ttt ttu tty tuc tue tug tuo tur tus tut tuu tuy tyc tye tyg tyo tyr tys tyt ucc uce ucg uco ucr ucs uct ucu uec uee ueg uer ues uet uey ugc uge ugg ugo ugr ugs ugt ugu uoc uoe uog uoo uor uos uot ur- urc ure urg uro urr urs urt uru ury usc use usg uso usr uss ust usu utc ute uto utr uts utt utu uty uuc uue uug uur uus uut uuu uyc uyo uys uyu ycc yce yco ycs ycu ycy yec yee yeg yeo yer yes yet yey ygc ygo yoc yoe yog yoo yor yos yot you yoy yrc yre yrg yro yrs yrt yru ysc yse ysg yso ysr yss yst ysu ysy ytc yte yto ytr yts ytt ytu yue yug yuo yur yus yut yuu yuy yyc yye yyg yys yyt yyu yyy