-er -ey c-- ccc cce ccm ccr cct ccu ce- cec cee cem cer cet ceu cey cmc cme cmm cmr cmt cmu cmy crc cre crm crr crt cru cry ctc cte ctm ctr ctt ctu cty cuc cue cum cur cut cuu cuy cyc cye cym cyr cyt ec- ecc ece ecm ecr ect ecu eec eee eem eer eet eey em- emc eme emm emr emt emu erc ere erm err ert eru ery etc ete etm etr ett etu ety eu- euc eue eur eut eyc eye eym eyr eyt m-r mc- mcc mce mcm mcr mct mcu mec mee mem mer met meu mey mmc mme mmm mmr mmt mmu mrc mre mrm mrr mrt mru mry mtc mte mtm mtr mtt mtu muc mue mum mur mut muu muy my- myc mye mym myr myt myu rcc rce rcm rcr rct rcu re- rec ree rem rer ret reu rey rmc rme rmm rmr rmt rrc rrm rrr rrt rru rtc rte rtm rtr rtt rtu rty ruc rue rum rur rut ruu ruy ry- ryc rye rym ryr ryu ryy tcc tce tcm tcr tct tcu te- tec tee tem ter tet teu tey tmc tme tmm tmr tmt tmu tmy trc tre trm trr trt tru try ttc tte ttm ttr ttt ttu tty tuc tue tum tur tut tuu tuy tyc tye tym tyr tyt ucc uce ucm ucr uct ucu uec uee uem uer uet uey um- umc ume umm umr umt umu ur- urc ure urm urr urt uru ury utc ute utm utr utt utu uty uuc uue uum uur uut uuu uyc uyu ycc yce ycu ycy yec yee yem yer yet yey ymc yme ymm ymt yrc yre yrt yru ytc yte ytm ytr ytt ytu yue yum yur yut yuu yuy yyc yye yyt yyu yyy