-er -ey c-- ccc cce ccm ccr ccs cct ccu ce- cec cee cem cer ces cet ceu cey cmc cme cmm cmr cms cmt cmu cmy crc cre crm crr crs crt cru cry csc cse csm csr css cst csu csy ctc cte ctm ctr cts ctt ctu cty cuc cue cum cur cus cut cuu cuy cyc cye cym cyr cys cyt ec- ecc ece ecm ecr ecs ect ecu eec eee eem eer ees eet eey em- emc eme emm emr ems emt emu erc ere erm err ers ert eru ery es- esc ese esm esr ess est esu esy etc ete etm etr ets ett etu ety eu- euc eue eur eus eut eyc eye eym eyr eys eyt m-r mc- mcc mce mcm mcr mcs mct mcu mec mee mem mer mes met meu mey mmc mme mmm mmr mms mmt mmu mrc mre mrm mrr mrs mrt mru mry msc mse msm msr mss mst msu msy mtc mte mtm mtr mts mtt mtu muc mue mum mur mus mut muu muy my- myc mye mym myr mys myt myu rcc rce rcm rcr rcs rct rcu re- rec ree rem rer res ret reu rey rmc rme rmm rmr rms rmt rrc rrm rrr rrs rrt rru rsc rse rsm rsr rss rst rsu rtc rte rtm rtr rts rtt rtu rty ruc rue rum rur rus rut ruu ruy ry- ryc rye rym ryr rys ryu ryy scc sce scm scr scs sct scu se- sec see sem ser ses set seu sey smc sme smm smr sms smt smu smy sr- src sre srm srr srs srt sry ss- ssc sse ssm ssr sss sst ssu stc ste stm str sts stt stu sty suc sue sum sur sus sut suu suy sy- syc sye sym syr sys syt syu tcc tce tcm tcr tcs tct tcu te- tec tee tem ter tes tet teu tey tmc tme tmm tmr tms tmt tmu tmy trc tre trm trr trs trt tru try tsc tse tsm tsr tss tst tsu tsy ttc tte ttm ttr tts ttt ttu tty tuc tue tum tur tus tut tuu tuy tyc tye tym tyr tys tyt ucc uce ucm ucr ucs uct ucu uec uee uem uer ues uet uey um- umc ume umm umr ums umt umu ur- urc ure urm urr urs urt uru ury usc use usm usr uss ust usu utc ute utm utr uts utt utu uty uuc uue uum uur uus uut uuu uyc uys uyu ycc yce ycs ycu ycy yec yee yem yer yes yet yey ymc yme ymm yms ymt yrc yre yrs yrt yru ysc yse ysm ysr yss yst ysu ysy ytc yte ytm ytr yts ytt ytu yue yum yur yus yut yuu yuy yyc yye yys yyt yyu yyy