-er -ey c-- ccc cce cck ccn ccr ccu ccz ce- cec cee cek cen cer ceu cey cez ckc cky cn- cnc cne cnn cnr cnu cny crc cre crk crn crr cru cry crz cuc cue cuk cun cur cuu cuy cuz cyc cye cyk cyn cyr cz- czc cze czk ec- ecc ece eck ecn ecr ecu eec eee eek een eer eey ekc eke ekr eku eky en- enc ene enk enn enr enu eny enz erc ere erk ern err eru ery erz eu- euc eue eun eur eyc eye eyn eyr eze ezr ezz k-z kcc kce kck kcn kcr kcu ke- kec kee kek ken ker key kez kkc kke kkk kkn kkr kku kky kn- knc kne knk knn knr knu krc krk krn krr kru kry kuc kue kuk kun kur kuu kuy kyc kye kyn kyr kyu kyz kzy ncc nce nck ncn ncr ncu ne- nec nee nek nen ner neu ney nez nkc nke nkk nkn nkr nku nky nnc nne nnk nnn nnu nnz nrc nre nrk nrn nrr nru nry nrz nuc nue nuk nun nur nuu nuy nyc nye nyk nyn nyu nyy nze nzz rcc rce rcn rcr rcu re- rec ree rek ren rer reu rey rez rkc rke rkk rku rky rkz rnc rnn rnr rnu rny rnz rrc rrk rrn rrr rru ruc rue ruk run rur ruu ruy ruz ry- ryc rye ryk ryn ryr ryu ryy ryz rze rzy ucc uce uck ucn ucr ucu uec uee uen uer uey ukc uke ukk ukn ukr uku ukz un- unc une unk unn unr unu uny ur- urc ure urk urn urr uru ury urz uuc uue uun uur uuu uyc uyu uzu ycc yce ycu ycy yec yee yek yen yer yey yez ykk ykn yne ynk ynn ynu yny yrc yre yrn yru yue yuk yun yur yuu yuy yyc yye yyu yyy yyz yzr yzu yzy zce zec zee zek zen zer zez znc zne znn zuc zuk zun zur zuz zzr zzy zzz