-er -ey c-- ccc cce ccn ccr ccs cct ce- cec cee cen cer ces cet cey cn- cnc cne cnn cnr cns cnt cny crc cre crn crr crs crt cry csc cse csn csr css cst csy ctc cte ctn ctr cts ctt cty cyc cye cyn cyr cys cyt ec- ecc ece ecn ecr ecs ect eec eee een eer ees eet eey en- enc ene enn enr ens ent eny erc ere ern err ers ert ery es- esc ese esn esr ess est esy etc ete etn etr ets ett ety eyc eye eyn eyr eys eyt ncc nce ncn ncr ncs nct ne- nec nee nen ner nes net ney nnc nne nnn nns nnt nrc nre nrn nrr nrs nrt nry nsc nse nsn nsr nss nst nsy ntc nte ntn ntr nts ntt nyc nye nyn nys nyt nyy rcc rce rcn rcr rcs rct re- rec ree ren rer res ret rey rnc rnn rnr rns rnt rny rrc rrn rrr rrs rrt rsc rse rsn rsr rss rst rtc rte rtn rtr rts rtt rty ry- ryc rye ryn ryr rys ryy scc sce scn scr scs sct se- sec see sen ser ses set sey snc sne snn snr sns snt sny sr- src sre srn srr srs srt sry ss- ssc sse ssn ssr sss sst stc ste stn str sts stt sty sy- syc sye syn syr sys syt tcc tce tcn tcr tcs tct te- tec tee ten ter tes tet tey tnc tne tnn tnr tns tnt trc tre trn trr trs trt try tsc tse tsn tsr tss tst tsy ttc tte ttn ttr tts ttt tty tyc tye tyn tyr tys tyt ycc yce ycs ycy yec yee yen yer yes yet yey yne ynn yns yny yrc yre yrn yrs yrt ysc yse ysr yss yst ysy ytc yte ytn ytr yts ytt yyc yye yys yyt yyy