-er -ey c-- ccc cce ccg cch cco ccr ce- cec cee ceg ceh ceo cer cey cgc cge cgg cgh cgo cgr cgy ch- chc che chg chh cho chr chy co- coc coe cog coh coo cor coy crc cre crg crh cro crr cry cyc cye cyg cyo cyr ec- ecc ece ecg ech eco ecr eec eee eeg eeo eer eey egc ege egg egh ego egr egy ehc ehe ehg ehh eho ehr eo- eoc eoe eog eoh eoo eor erc ere erg erh ero err ery eyc eye eyo eyr gcc gce gcg gch gco gcr ge- gec gee geg geh geo ger gey ggc ggg ggh ggo ggr ghc ghe ghg ghh gho ghr goc goe gog goh goo gor goy grc gre grg grh gro grr gry gy- gye gyo gyr hcc hce hcg hch hco hcr hcy he- hec hee heg heh heo her hey hgc hge hgg hgh hgo hgr hgy hhc hhe hhg hhh hho hhr hhy hoc hoe hog hoh hoo hor hoy hr- hrc hre hrg hrh hro hrr hy- hyc hye hyg hyh hyo hyr hyy oc- occ ocg och oco ocr oec oee oeg oeh oeo oer oey ogc oge ogg ogh ogo ogy ohc ohe ohg ohh oho ohr oo- ooc oog ooh ooo oor or- orc ore org orh oro orr ory oye oyo rcc rce rcg rch rco rcr re- rec ree reg reh reo rer rey rgc rge rgg rgh rgo rgr rh- rhc rhe rhg rhh rho rhr roc roe rog roh roo ror roy rrc rrg rrh rrr ry- ryc rye ryg ryo ryr ryy ycc yce ych yco ycy yec yee yeg yeh yeo yer yey ygc ygo yhc yhe yoc yoe yog yoo yor yoy yrc yre yrg yro yyc yye yyg yyy