-er -ey c-- ccc cce ccf ccn ccr ccs ce- cec cee cef cen cer ces cey cfc cfe cff cfn cfr cfs cn- cnc cne cnf cnn cnr cns cny crc cre crf crn crr crs cry csc cse csf csn csr css csy cyc cye cyf cyn cyr cys ec- ecc ece ecf ecn ecr ecs eec eee eef een eer ees eey ef- efc efe eff efr efs en- enc ene enf enn enr ens eny erc ere erf ern err ers ery es- esc ese esf esn esr ess esy eyc eye eyn eyr eys fcc fce fcf fcn fcr fcs fcy fec fee fef fen fer fes fey ffc ffe fff ffn ffr ffs ffy fnc fne fnf fnn fnr fns frc fre frf frn frr frs fry fsc fse fsf fsn fsr fss fy- fyc fye fyn ncc nce ncf ncn ncr ncs ne- nec nee nef nen ner nes ney nfc nfe nff nfn nfr nfs nnc nne nnf nnn nns nrc nre nrf nrn nrr nrs nry nsc nse nsf nsn nsr nss nsy nyc nye nyf nyn nys nyy rcc rce rcf rcn rcr rcs re- rec ree ref ren rer res rey rfc rfe rff rfn rfr rfs rnc rnn rnr rns rny rrc rrf rrn rrr rrs rsc rse rsf rsn rsr rss ry- ryc rye ryf ryn ryr rys ryy scc sce scf scn scr scs se- sec see sef sen ser ses sey sfc sfe sff sfn sfr sfs snc sne snf snn snr sns sny sr- src sre srf srn srr srs sry ss- ssc sse ssf ssn ssr sss sy- syc sye syn syr sys ycc yce ycf ycs ycy yec yee yef yen yer yes yey yfc yfe yff yfr yfs yne ynn yns yny yrc yre yrf yrn yrs ysc yse ysr yss ysy yyc yye yyf yys yyy