-er -ey c-- ccc cce ccr ccu ccz ce- cec cee cer ceu cey cez crc cre crr cru cry crz cuc cue cur cuu cuy cuz cyc cye cyr cz- czc cze ec- ecc ece ecr ecu eec eee eer eey erc ere err eru ery erz eu- euc eue eur eyc eye eyr eze ezr ezz rcc rce rcr rcu re- rec ree rer reu rey rez rrc rrr rru ruc rue rur ruu ruy ruz ry- ryc rye ryr ryu ryy ryz rze rzy ucc uce ucr ucu uec uee uer uey ur- urc ure urr uru ury urz uuc uue uur uuu uyc uyu uzu ycc yce ycu ycy yec yee yer yey yez yrc yre yru yue yur yuu yuy yyc yye yyu yyy yyz yzr yzu yzy zce zec zee zer zez zuc zur zuz zzr zzy zzz