-er -ey c-- ccc cce ccg ccr ccz ce- cec cee ceg cer cey cez cgc cge cgg cgr cgy crc cre crg crr cry crz cyc cye cyg cyr cz- czc cze ec- ecc ece ecg ecr eec eee eeg eer eey egc ege egg egr egy erc ere erg err ery erz eyc eye eyr eze ezr ezz gcc gce gcg gcr ge- gec gee geg ger gey gez ggc ggg ggr ggz grc gre grg grr gry gy- gye gyr gzr rcc rce rcg rcr re- rec ree reg rer rey rez rgc rge rgg rgr rrc rrg rrr ry- ryc rye ryg ryr ryy ryz rze rzy ycc yce ycy yec yee yeg yer yey yez ygc yrc yre yrg yyc yye yyg yyy yyz yzr yzy z-g zce zec zee zer zez zgg zzr zzy zzz