-er -ey c-- ccc cce ccg ccn cco ccr cct ce- cec cee ceg cen ceo cer cet cey cgc cge cgg cgn cgo cgr cgt cgy cn- cnc cne cng cnn cno cnr cnt cny co- coc coe cog con coo cor cot coy crc cre crg crn cro crr crt cry ctc cte ctg ctn cto ctr ctt cty cyc cye cyg cyn cyo cyr cyt ec- ecc ece ecg ecn eco ecr ect eec eee eeg een eeo eer eet eey egc ege egg egn ego egr egt egy en- enc ene eng enn eno enr ent eny eo- eoc eoe eog eon eoo eor eot erc ere erg ern ero err ert ery etc ete etg etn eto etr ett ety eyc eye eyn eyo eyr eyt gcc gce gcg gcn gco gcr gct ge- gec gee geg gen geo ger get gey ggc ggg ggn ggo ggr ggt gnc gne gnn gno gnr gnt goc goe gog gon goo gor got goy grc gre grg grn gro grr grt gry gtc gte gtg gtn gto gtr gtt gty gy- gye gyn gyo gyr ncc nce ncg ncn nco ncr nct ne- nec nee neg nen neo ner net ney ngc nge ngg ngn ngo ngt nnc nne nng nnn nno nnt no- noc noe nog non noo nor not noy nrc nre nrg nrn nro nrr nrt nry ntc nte ntg ntn nto ntr ntt nyc nye nyg nyn nyo nyt nyy oc- occ ocg ocn oco ocr oct oec oee oeg oen oeo oer oet oey ogc oge ogg ogn ogo ogt ogy on- onc one ong onn ono onr ont ony oo- ooc oog oon ooo oor oot or- orc ore org orn oro orr ort ory ot- otc ote otg otn oto otr ott oye oyo rcc rce rcg rcn rco rcr rct re- rec ree reg ren reo rer ret rey rgc rge rgg rgn rgo rgr rgt rnc rng rnn rno rnr rnt rny roc roe rog ron roo ror rot roy rrc rrg rrn rrr rrt rtc rte rtg rtn rto rtr rtt rty ry- ryc rye ryg ryn ryo ryr ryy tcc tce tcg tcn tco tcr tct te- tec tee teg ten teo ter tet tey tgc tge tgg tgn tgo tgr tgt tgy tnc tne tng tnn tno tnr tnt to- toc toe tog ton too tor tot toy trc tre trg trn tro trr trt try ttc tte ttg ttn tto ttr ttt tty tyc tye tyg tyn tyo tyr tyt ycc yce yco ycy yec yee yeg yen yeo yer yet yey ygc ygo yne yng ynn yny yoc yoe yog yon yoo yor yot yoy yrc yre yrg yrn yro yrt ytc yte ytn yto ytr ytt yyc yye yyg yyt yyy