-er -ey c-- ccc cce ccg cco ccr ccu ccv ce- cec cee ceg ceo cer ceu cev cey cgc cge cgg cgo cgr cgu cgv cgy co- coc coe cog coo cor cou cov coy crc cre crg cro crr cru crv cry cuc cue cug cuo cur cuu cuv cuy cvc cve cvg cvo cvr cvu cvv cyc cye cyg cyo cyr ec- ecc ece ecg eco ecr ecu ecv eec eee eeg eeo eer eev eey egc ege egg ego egr egu egy eo- eoc eoe eog eoo eor eou erc ere erg ero err eru erv ery eu- euc eue eug eur euv evc eve evg evo evr evv evy eyc eye eyo eyr gcc gce gcg gco gcr gcu ge- gec gee geg geo ger geu gev gey ggc ggg ggo ggr ggu ggv goc goe gog goo gor gou gov goy grc gre grg gro grr gru grv gry gu- guc gue gug guo gur guu guv guy gvc gve gvg gvo gvr gvu gy- gye gyo gyr oc- occ ocg oco ocr ocu ocv oec oee oeg oeo oer oey ogc oge ogg ogo ogy oo- ooc oog ooo oor oov or- orc ore org oro orr oru orv ory ou- ouc oue ouo our ov- ovc ove ovo ovv oye oyo rcc rce rcg rco rcr rcu rcv re- rec ree reg reo rer reu rev rey rgc rge rgg rgo rgr rgv roc roe rog roo ror rou rov roy rrc rrg rrr rru ruc rue rug ruo rur ruu ruv ruy rvc rve rvg rvo rvr rvu rvv rvy ry- ryc rye ryg ryo ryr ryu ryy ucc uce ucg uco ucr ucu ucv uec uee ueg uer uey ugc uge ugg ugo ugr ugu uoc uoe uog uoo uor ur- urc ure urg uro urr uru ury uuc uue uug uur uuu uvc uve uvo uvu uvv uyc uyo uyu v-e vcc vce vco vcr vcu vcy vec vee veg veo ver veu vey vgc vgg vgo vgr vgu voc voe vog voo vor vou vov voy vrc vre vrg vrr vru vry vue vug vur vuv vvc vvg vvo vvr vvv vye vyg ycc yce yco ycu ycv ycy yec yee yeg yeo yer yev yey ygc ygo yoc yoe yog yoo yor you yoy yrc yre yrg yro yru yue yug yuo yur yuu yuv yuy yve yvo yvr yvy yyc yye yyg yyu yyy