-er -ey -ic c-- ccc cce cci ccr ccs cct ccu ce- cec cee cei cer ces cet ceu cey ci- cic cie cii cir cis cit ciu crc cre cri crr crs crt cru cry csc cse csi csr css cst csu csy ctc cte cti ctr cts ctt ctu cty cuc cue cui cur cus cut cuu cuy cyc cye cyr cys cyt ec- ecc ece eci ecr ecs ect ecu eec eee eer ees eet eey eic eie eii eir eis eit eiu erc ere eri err ers ert eru ery es- esc ese esi esr ess est esu esy etc ete eti etr ets ett etu ety eu- euc eue eui eur eus eut eyc eye eyr eys eyt icc ice ici icr ics ict icu icy ie- iec iee iei ier ies iet iey iic iie iii iir iis iit iiu ir- irc ire iri irr irs irt iru iry is- isc ise isi isr iss ist isu isy itc ite iti its itt itu ity iu- iuc iue iui iur ius iut iyc iye iyr iys iyt iyy rcc rce rci rcr rcs rct rcu re- rec ree rei rer res ret reu rey ric rie rii rir ris rit riy rrc rri rrr rrs rrt rru rsc rse rsi rsr rss rst rsu rtc rte rti rtr rts rtt rtu rty ruc rue rui rur rus rut ruu ruy ry- ryc rye ryr rys ryu ryy scc sce sci scr scs sct scu se- sec see sei ser ses set seu sey sic sie sii sir sis sit siu sr- src sre sri srr srs srt sry ss- ssc sse ssi ssr sss sst ssu stc ste sti str sts stt stu sty suc sue sui sur sus sut suu suy sy- syc sye syi syr sys syt syu tcc tce tci tcr tcs tct tcu te- tec tee tei ter tes tet teu tey tic tie tii tir tis tit tiu tiy trc tre tri trr trs trt tru try tsc tse tsi tsr tss tst tsu tsy ttc tte tti ttr tts ttt ttu tty tuc tue tui tur tus tut tuu tuy tyc tye tyr tys tyt ucc uce uci ucr ucs uct ucu uec uee uei uer ues uet uey uic uie uii uir uis uit uiu ur- urc ure uri urr urs urt uru ury usc use usi usr uss ust usu utc ute uti utr uts utt utu uty uuc uue uur uus uut uuu uyc uyi uys uyu ycc yce yci ycs ycu ycy yec yee yei yer yes yet yey yie yii yir yis yit yrc yre yrs yrt yru ysc yse ysi ysr yss yst ysu ysy ytc yte ytr yts ytt ytu yue yui yur yus yut yuu yuy yyc yye yys yyt yyu yyy