-er -ey c-- ccc cce ccf ccn ccr ccs ccv ce- cec cee cef cen cer ces cev cey cfc cfe cff cfn cfr cfs cfv cn- cnc cne cnf cnn cnr cns cnv cny crc cre crf crn crr crs crv cry csc cse csf csn csr css csv csy cvc cve cvf cvn cvr cvs cvv cyc cye cyf cyn cyr cys ec- ecc ece ecf ecn ecr ecs ecv eec eee eef een eer ees eev eey ef- efc efe eff efr efs en- enc ene enf enn enr ens env eny erc ere erf ern err ers erv ery es- esc ese esf esn esr ess esv esy evc eve evf evn evr evs evv evy eyc eye eyn eyr eys fcc fce fcf fcn fcr fcs fcv fcy fec fee fef fen fer fes fev fey ffc ffe fff ffn ffr ffs ffv ffy fnc fne fnf fnn fnr fns fnv frc fre frf frn frr frs fry fsc fse fsf fsn fsr fss fsv fvc fy- fyc fye fyn ncc nce ncf ncn ncr ncs ncv ne- nec nee nef nen ner nes nev ney nfc nfe nff nfn nfr nfs nfv nnc nne nnf nnn nns nnv nrc nre nrf nrn nrr nrs nrv nry nsc nse nsf nsn nsr nss nsv nsy nvc nve nvn nvv nyc nye nyf nyn nys nyy rcc rce rcf rcn rcr rcs rcv re- rec ree ref ren rer res rev rey rfc rfe rff rfn rfr rfs rfv rnc rnn rnr rns rnv rny rrc rrf rrn rrr rrs rsc rse rsf rsn rsr rss rsv rvc rve rvf rvn rvr rvs rvv rvy ry- ryc rye ryf ryn ryr rys ryy scc sce scf scn scr scs scv se- sec see sef sen ser ses sev sey sfc sfe sff sfn sfr sfs sfv snc sne snf snn snr sns snv sny sr- src sre srf srn srr srs srv sry ss- ssc sse ssf ssn ssr sss ssv svc sve svf svn svr svs svv svy sy- syc sye syn syr sys v-e vcc vce vcf vcn vcr vcs vcy vec vee vef ven ver ves vey vfc vff vfn vfr vfs vfv vn- vnf vnr vns vnv vrc vre vrf vrn vrr vrs vry vsc vse vsf vsn vsr vss vsv vvc vvr vvs vvv vye vyf vyn ycc yce ycf ycs ycv ycy yec yee yef yen yer yes yev yey yfc yfe yff yfr yfs yne ynn yns yny yrc yre yrf yrn yrs ysc yse ysr yss ysy yve yvr yvy yyc yye yyf yys yyy