-er -ey c-- ccc cce ccg ccn ccr ccs ce- cec cee ceg cen cer ces cey cgc cge cgg cgn cgr cgs cgy cn- cnc cne cng cnn cnr cns cny crc cre crg crn crr crs cry csc cse csg csn csr css csy cyc cye cyg cyn cyr cys ec- ecc ece ecg ecn ecr ecs eec eee eeg een eer ees eey egc ege egg egn egr egs egy en- enc ene eng enn enr ens eny erc ere erg ern err ers ery es- esc ese esg esn esr ess esy eyc eye eyn eyr eys gcc gce gcg gcn gcr gcs ge- gec gee geg gen ger ges gey ggc ggg ggn ggr ggs gnc gne gnn gnr gns grc gre grg grn grr grs gry gsc gse gsg gsn gsr gss gy- gye gyn gyr gys ncc nce ncg ncn ncr ncs ne- nec nee neg nen ner nes ney ngc nge ngg ngn ngs nnc nne nng nnn nns nrc nre nrg nrn nrr nrs nry nsc nse nsg nsn nsr nss nsy nyc nye nyg nyn nys nyy rcc rce rcg rcn rcr rcs re- rec ree reg ren rer res rey rgc rge rgg rgn rgr rgs rnc rng rnn rnr rns rny rrc rrg rrn rrr rrs rsc rse rsg rsn rsr rss ry- ryc rye ryg ryn ryr rys ryy scc sce scg scn scr scs se- sec see seg sen ser ses sey sgc sge sgg sgn sgr sgs snc sne sng snn snr sns sny sr- src sre srg srn srr srs sry ss- ssc sse ssg ssn ssr sss sy- syc sye syg syn syr sys ycc yce ycs ycy yec yee yeg yen yer yes yey ygc yne yng ynn yns yny yrc yre yrg yrn yrs ysc yse ysg ysr yss ysy yyc yye yyg yys yyy