-er -ey c-- ccc cce ccn ccr ccs cct ccu ce- cec cee cen cer ces cet ceu cey cn- cnc cne cnn cnr cns cnt cnu cny crc cre crn crr crs crt cru cry csc cse csn csr css cst csu csy ctc cte ctn ctr cts ctt ctu cty cuc cue cun cur cus cut cuu cuy cyc cye cyn cyr cys cyt ec- ecc ece ecn ecr ecs ect ecu eec eee een eer ees eet eey en- enc ene enn enr ens ent enu eny erc ere ern err ers ert eru ery es- esc ese esn esr ess est esu esy etc ete etn etr ets ett etu ety eu- euc eue eun eur eus eut eyc eye eyn eyr eys eyt ncc nce ncn ncr ncs nct ncu ne- nec nee nen ner nes net neu ney nnc nne nnn nns nnt nnu nrc nre nrn nrr nrs nrt nru nry nsc nse nsn nsr nss nst nsu nsy ntc nte ntn ntr nts ntt ntu nuc nue nun nur nus nut nuu nuy nyc nye nyn nys nyt nyu nyy rcc rce rcn rcr rcs rct rcu re- rec ree ren rer res ret reu rey rnc rnn rnr rns rnt rnu rny rrc rrn rrr rrs rrt rru rsc rse rsn rsr rss rst rsu rtc rte rtn rtr rts rtt rtu rty ruc rue run rur rus rut ruu ruy ry- ryc rye ryn ryr rys ryu ryy scc sce scn scr scs sct scu se- sec see sen ser ses set seu sey snc sne snn snr sns snt snu sny sr- src sre srn srr srs srt sry ss- ssc sse ssn ssr sss sst ssu stc ste stn str sts stt stu sty suc sue sun sur sus sut suu suy sy- syc sye syn syr sys syt syu tcc tce tcn tcr tcs tct tcu te- tec tee ten ter tes tet teu tey tnc tne tnn tnr tns tnt trc tre trn trr trs trt tru try tsc tse tsn tsr tss tst tsu tsy ttc tte ttn ttr tts ttt ttu tty tuc tue tun tur tus tut tuu tuy tyc tye tyn tyr tys tyt ucc uce ucn ucr ucs uct ucu uec uee uen uer ues uet uey un- unc une unn unr uns unt unu uny ur- urc ure urn urr urs urt uru ury usc use usn usr uss ust usu utc ute utn utr uts utt utu uty uuc uue uun uur uus uut uuu uyc uys uyu ycc yce ycs ycu ycy yec yee yen yer yes yet yey yne ynn yns ynu yny yrc yre yrn yrs yrt yru ysc yse ysr yss yst ysu ysy ytc yte ytn ytr yts ytt ytu yue yun yur yus yut yuu yuy yyc yye yys yyt yyu yyy