-er -ey c-- ccc cce ccn ccr ccu ce- cec cee cen cer ceu cey cn- cnc cne cnn cnr cnu cny crc cre crn crr cru cry cuc cue cun cur cuu cuy cyc cye cyn cyr ec- ecc ece ecn ecr ecu eec eee een eer eey en- enc ene enn enr enu eny erc ere ern err eru ery eu- euc eue eun eur eyc eye eyn eyr ncc nce ncn ncr ncu ne- nec nee nen ner neu ney nnc nne nnn nnu nrc nre nrn nrr nru nry nuc nue nun nur nuu nuy nyc nye nyn nyu nyy rcc rce rcn rcr rcu re- rec ree ren rer reu rey rnc rnn rnr rnu rny rrc rrn rrr rru ruc rue run rur ruu ruy ry- ryc rye ryn ryr ryu ryy ucc uce ucn ucr ucu uec uee uen uer uey un- unc une unn unr unu uny ur- urc ure urn urr uru ury uuc uue uun uur uuu uyc uyu ycc yce ycu ycy yec yee yen yer yey yne ynn ynu yny yrc yre yrn yru yue yun yur yuu yuy yyc yye yyu yyy