-er -ey -ic c-- ccc cce ccg cci ccr ccs cct ccu ce- cec cee ceg cei cer ces cet ceu cey cgc cge cgg cgi cgr cgs cgt cgu cgy ci- cic cie cig cii cir cis cit ciu crc cre crg cri crr crs crt cru cry csc cse csg csi csr css cst csu csy ctc cte ctg cti ctr cts ctt ctu cty cuc cue cug cui cur cus cut cuu cuy cyc cye cyg cyr cys cyt ec- ecc ece ecg eci ecr ecs ect ecu eec eee eeg eer ees eet eey egc ege egg egi egr egs egt egu egy eic eie eig eii eir eis eit eiu erc ere erg eri err ers ert eru ery es- esc ese esg esi esr ess est esu esy etc ete etg eti etr ets ett etu ety eu- euc eue eug eui eur eus eut eyc eye eyr eys eyt gcc gce gcg gci gcr gcs gct gcu ge- gec gee geg gei ger ges get geu gey ggc ggg ggi ggr ggs ggt ggu gic gie gig gii gir gis git giu giy grc gre grg gri grr grs grt gru gry gsc gse gsg gsi gsr gss gst gsu gtc gte gtg gti gtr gts gtt gtu gty gu- guc gue gug gui gur gus gut guu guy gy- gye gyr gys icc ice icg ici icr ics ict icu icy ie- iec iee ieg iei ier ies iet iey igc ige igg igi igr igs igt igu igy iic iie iii iir iis iit iiu ir- irc ire irg iri irr irs irt iru iry is- isc ise isg isi isr iss ist isu isy itc ite itg iti its itt itu ity iu- iuc iue iug iui iur ius iut iyc iye iyr iys iyt iyy rcc rce rcg rci rcr rcs rct rcu re- rec ree reg rei rer res ret reu rey rgc rge rgg rgi rgr rgs rgt ric rie rig rii rir ris rit riy rrc rrg rri rrr rrs rrt rru rsc rse rsg rsi rsr rss rst rsu rtc rte rtg rti rtr rts rtt rtu rty ruc rue rug rui rur rus rut ruu ruy ry- ryc rye ryg ryr rys ryu ryy scc sce scg sci scr scs sct scu se- sec see seg sei ser ses set seu sey sgc sge sgg sgi sgr sgs sgt sgu sic sie sig sii sir sis sit siu sr- src sre srg sri srr srs srt sry ss- ssc sse ssg ssi ssr sss sst ssu stc ste stg sti str sts stt stu sty suc sue sug sui sur sus sut suu suy sy- syc sye syg syi syr sys syt syu tcc tce tcg tci tcr tcs tct tcu te- tec tee teg tei ter tes tet teu tey tgc tge tgg tgi tgr tgs tgt tgu tgy tic tie tig tii tir tis tit tiu tiy trc tre trg tri trr trs trt tru try tsc tse tsg tsi tsr tss tst tsu tsy ttc tte ttg tti ttr tts ttt ttu tty tuc tue tug tui tur tus tut tuu tuy tyc tye tyg tyr tys tyt ucc uce ucg uci ucr ucs uct ucu uec uee ueg uei uer ues uet uey ugc uge ugg ugi ugr ugs ugt ugu uic uie uig uii uir uis uit uiu ur- urc ure urg uri urr urs urt uru ury usc use usg usi usr uss ust usu utc ute uti utr uts utt utu uty uuc uue uug uur uus uut uuu uyc uyi uys uyu ycc yce yci ycs ycu ycy yec yee yeg yei yer yes yet yey ygc yie yig yii yir yis yit yrc yre yrg yrs yrt yru ysc yse ysg ysi ysr yss yst ysu ysy ytc yte ytr yts ytt ytu yue yug yui yur yus yut yuu yuy yyc yye yyg yys yyt yyu yyy