-er -ey c-- ccc cce ccn cco ccr ccs ccu ce- cec cee cen ceo cer ces ceu cey cn- cnc cne cnn cno cnr cns cnu cny co- coc coe con coo cor cos cou coy crc cre crn cro crr crs cru cry csc cse csn cso csr css csu csy cuc cue cun cuo cur cus cuu cuy cyc cye cyn cyo cyr cys ec- ecc ece ecn eco ecr ecs ecu eec eee een eeo eer ees eey en- enc ene enn eno enr ens enu eny eo- eoc eoe eon eoo eor eos eou erc ere ern ero err ers eru ery es- esc ese esn eso esr ess esu esy eu- euc eue eun eur eus eyc eye eyn eyo eyr eys ncc nce ncn nco ncr ncs ncu ne- nec nee nen neo ner nes neu ney nnc nne nnn nno nns nnu no- noc noe non noo nor nos nou noy nrc nre nrn nro nrr nrs nru nry nsc nse nsn nso nsr nss nsu nsy nuc nue nun nuo nur nus nuu nuy nyc nye nyn nyo nys nyu nyy oc- occ ocn oco ocr ocs ocu oec oee oen oeo oer oes oey on- onc one onn ono onr ons onu ony oo- ooc oon ooo oor oos or- orc ore orn oro orr ors oru ory os- osc ose osn oso osr oss osu ou- ouc oue oun ouo our ous oye oyo oys rcc rce rcn rco rcr rcs rcu re- rec ree ren reo rer res reu rey rnc rnn rno rnr rns rnu rny roc roe ron roo ror ros rou roy rrc rrn rrr rrs rru rsc rse rsn rso rsr rss rsu ruc rue run ruo rur rus ruu ruy ry- ryc rye ryn ryo ryr rys ryu ryy scc sce scn sco scr scs scu se- sec see sen seo ser ses seu sey snc sne snn sno snr sns snu sny soc soe son soo sor sos sou soy sr- src sre srn sro srr srs sry ss- ssc sse ssn sso ssr sss ssu suc sue sun suo sur sus suu suy sy- syc sye syn syr sys syu ucc uce ucn uco ucr ucs ucu uec uee uen uer ues uey un- unc une unn uno unr uns unu uny uoc uoe uon uoo uor uos ur- urc ure urn uro urr urs uru ury usc use usn uso usr uss usu uuc uue uun uur uus uuu uyc uyo uys uyu ycc yce yco ycs ycu ycy yec yee yen yeo yer yes yey yne ynn yns ynu yny yoc yoe yon yoo yor yos you yoy yrc yre yrn yro yrs yru ysc yse yso ysr yss ysu ysy yue yun yuo yur yus yuu yuy yyc yye yys yyu yyy