-er -ey c-- ccc cce ccg ccn cco ccr ccv ce- cec cee ceg cen ceo cer cev cey cgc cge cgg cgn cgo cgr cgv cgy cn- cnc cne cng cnn cno cnr cnv cny co- coc coe cog con coo cor cov coy crc cre crg crn cro crr crv cry cvc cve cvg cvn cvo cvr cvv cyc cye cyg cyn cyo cyr ec- ecc ece ecg ecn eco ecr ecv eec eee eeg een eeo eer eev eey egc ege egg egn ego egr egy en- enc ene eng enn eno enr env eny eo- eoc eoe eog eon eoo eor erc ere erg ern ero err erv ery evc eve evg evn evo evr evv evy eyc eye eyn eyo eyr gcc gce gcg gcn gco gcr ge- gec gee geg gen geo ger gev gey ggc ggg ggn ggo ggr ggv gnc gne gnn gno gnr gnv goc goe gog gon goo gor gov goy grc gre grg grn gro grr grv gry gvc gve gvg gvn gvo gvr gy- gye gyn gyo gyr ncc nce ncg ncn nco ncr ncv ne- nec nee neg nen neo ner nev ney ngc nge ngg ngn ngo nnc nne nng nnn nno nnv no- noc noe nog non noo nor nov noy nrc nre nrg nrn nro nrr nrv nry nvc nve nvg nvn nvv nyc nye nyg nyn nyo nyy oc- occ ocg ocn oco ocr ocv oec oee oeg oen oeo oer oey ogc oge ogg ogn ogo ogy on- onc one ong onn ono onr ony oo- ooc oog oon ooo oor oov or- orc ore org orn oro orr orv ory ov- ovc ove ovo ovv oye oyo rcc rce rcg rcn rco rcr rcv re- rec ree reg ren reo rer rev rey rgc rge rgg rgn rgo rgr rgv rnc rng rnn rno rnr rnv rny roc roe rog ron roo ror rov roy rrc rrg rrn rrr rvc rve rvg rvn rvo rvr rvv rvy ry- ryc rye ryg ryn ryo ryr ryy v-e vcc vce vcn vco vcr vcy vec vee veg ven veo ver vey vgc vgg vgn vgo vgr vn- vng vno vnr vnv voc voe vog von voo vor vov voy vrc vre vrg vrn vrr vry vvc vvg vvo vvr vvv vye vyg vyn ycc yce yco ycv ycy yec yee yeg yen yeo yer yev yey ygc ygo yne yng ynn yny yoc yoe yog yon yoo yor yoy yrc yre yrg yrn yro yve yvo yvr yvy yyc yye yyg yyy