-er -ey c-- ccc cce ccg ccm cco ccr ce- cec cee ceg cem ceo cer cey cgc cge cgg cgm cgo cgr cgy cmc cme cmg cmm cmo cmr cmy co- coc coe cog com coo cor coy crc cre crg crm cro crr cry cyc cye cyg cym cyo cyr ec- ecc ece ecg ecm eco ecr eec eee eeg eem eeo eer eey egc ege egg egm ego egr egy em- emc eme emg emm emo emr eo- eoc eoe eog eom eoo eor erc ere erg erm ero err ery eyc eye eym eyo eyr gcc gce gcg gcm gco gcr ge- gec gee geg gem geo ger gey ggc ggg ggm ggo ggr gmc gme gmg gmm gmo gmr gmy goc goe gog gom goo gor goy grc gre grg grm gro grr gry gy- gye gym gyo gyr m-o m-r mc- mcc mce mcg mcm mco mcr mec mee meg mem meo mer mey mgc mge mgm mgo mgr mgy mmc mme mmg mmm mmo mmr moc moe mog mom moo mor moy mrc mre mrg mrm mro mrr mry my- myc mye myg mym myo myr oc- occ ocg ocm oco ocr oec oee oeg oem oeo oer oey ogc oge ogg ogo ogy om- omc ome omg omm omo omr omy oo- ooc oog oom ooo oor or- orc ore org orm oro orr ory oye oyo rcc rce rcg rcm rco rcr re- rec ree reg rem reo rer rey rgc rge rgg rgo rgr rmc rme rmg rmm rmo rmr roc roe rog rom roo ror roy rrc rrg rrm rrr ry- ryc rye ryg rym ryo ryr ryy ycc yce yco ycy yec yee yeg yem yeo yer yey ygc ygm ygo ymc yme ymg ymm ymo yoc yoe yog yom yoo yor yoy yrc yre yrg yro yyc yye yyg yyy