-er -ey c-- ccc cce ccg cco ccr ccz ce- cec cee ceg ceo cer cey cez cgc cge cgg cgo cgr cgy co- coc coe cog coo cor coy coz crc cre crg cro crr cry crz cyc cye cyg cyo cyr cz- czc cze czo ec- ecc ece ecg eco ecr eec eee eeg eeo eer eey egc ege egg ego egr egy eo- eoc eoe eog eoo eor erc ere erg ero err ery erz eyc eye eyo eyr eze ezo ezr ezz gcc gce gcg gco gcr ge- gec gee geg geo ger gey gez ggc ggg ggo ggr ggz goc goe gog goo gor goy goz grc gre grg gro grr gry gy- gye gyo gyr gzo gzr oc- occ ocg oco ocr ocz oec oee oeg oeo oer oey ogc oge ogg ogo ogy oo- ooc oog ooo oor or- orc ore org oro orr ory orz oye oyo oze ozo ozz rcc rce rcg rco rcr re- rec ree reg reo rer rey rez rgc rge rgg rgo rgr roc roe rog roo ror roy roz rrc rrg rrr ry- ryc rye ryg ryo ryr ryy ryz rze rzo rzy ycc yce yco ycy yec yee yeg yeo yer yey yez ygc ygo yoc yoe yog yoo yor yoy yrc yre yrg yro yyc yye yyg yyy yyz yzr yzy z-g zce zco zec zee zeo zer zez zgg zo- zoc zoe zog zoo zor zro zzr zzy zzz