-er -ey c-- ccc cce ccn cco ccr ccu ce- cec cee cen ceo cer ceu cey cn- cnc cne cnn cno cnr cnu cny co- coc coe con coo cor cou coy crc cre crn cro crr cru cry cuc cue cun cuo cur cuu cuy cyc cye cyn cyo cyr ec- ecc ece ecn eco ecr ecu eec eee een eeo eer eey en- enc ene enn eno enr enu eny eo- eoc eoe eon eoo eor eou erc ere ern ero err eru ery eu- euc eue eun eur eyc eye eyn eyo eyr ncc nce ncn nco ncr ncu ne- nec nee nen neo ner neu ney nnc nne nnn nno nnu no- noc noe non noo nor nou noy nrc nre nrn nro nrr nru nry nuc nue nun nuo nur nuu nuy nyc nye nyn nyo nyu nyy oc- occ ocn oco ocr ocu oec oee oen oeo oer oey on- onc one onn ono onr onu ony oo- ooc oon ooo oor or- orc ore orn oro orr oru ory ou- ouc oue oun ouo our oye oyo rcc rce rcn rco rcr rcu re- rec ree ren reo rer reu rey rnc rnn rno rnr rnu rny roc roe ron roo ror rou roy rrc rrn rrr rru ruc rue run ruo rur ruu ruy ry- ryc rye ryn ryo ryr ryu ryy ucc uce ucn uco ucr ucu uec uee uen uer uey un- unc une unn uno unr unu uny uoc uoe uon uoo uor ur- urc ure urn uro urr uru ury uuc uue uun uur uuu uyc uyo uyu ycc yce yco ycu ycy yec yee yen yeo yer yey yne ynn ynu yny yoc yoe yon yoo yor you yoy yrc yre yrn yro yru yue yun yuo yur yuu yuy yyc yye yyu yyy