-er -ey c-- ccc cce ccn ccr ccs ce- cec cee cen cer ces cey cn- cnc cne cnn cnr cns cny crc cre crn crr crs cry csc cse csn csr css csy cyc cye cyn cyr cys ec- ecc ece ecn ecr ecs eec eee een eer ees eey en- enc ene enn enr ens eny erc ere ern err ers ery es- esc ese esn esr ess esy eyc eye eyn eyr eys ncc nce ncn ncr ncs ne- nec nee nen ner nes ney nnc nne nnn nns nrc nre nrn nrr nrs nry nsc nse nsn nsr nss nsy nyc nye nyn nys nyy rcc rce rcn rcr rcs re- rec ree ren rer res rey rnc rnn rnr rns rny rrc rrn rrr rrs rsc rse rsn rsr rss ry- ryc rye ryn ryr rys ryy scc sce scn scr scs se- sec see sen ser ses sey snc sne snn snr sns sny sr- src sre srn srr srs sry ss- ssc sse ssn ssr sss sy- syc sye syn syr sys ycc yce ycs ycy yec yee yen yer yes yey yne ynn yns yny yrc yre yrn yrs ysc yse ysr yss ysy yyc yye yys yyy