-er -ey c-- c-j ccc cce ccj cck ccn cco ccr ccs ce- cec cee cej cek cen ceo cer ces cey cjc cjk cjr cjs ckc cko cks cky cn- cnc cne cnj cnn cno cnr cns cny co- coc coe coj cok con coo cor cos coy crc cre crj crk crn cro crr crs cry csc cse csj csk csn cso csr css csy cyc cye cyk cyn cyo cyr cys ec- ecc ece ecj eck ecn eco ecr ecs eec eee eek een eeo eer ees eey ejc ejo ekc eke eko ekr eks eky en- enc ene enk enn eno enr ens eny eo- eoc eoe eok eon eoo eor eos erc ere erk ern ero err ers ery es- esc ese esk esn eso esr ess esy eyc eye eyn eyo eyr eys jcc jce jck jco jcr jcs jec jee jej jek jen jeo jer jes jey jjc jjj jjk jjr jjs jjy jkk jkn jko jkr jks jnc jne jnj jnn jno jnr jns joc joe joj jok jon joo jor jos joy jrc jrk jrn jro jrr jrs jsc jse jsj jsk jsn jso jsr jss jsy jyj jyr jys kcc kce kck kcn kcr kcs ke- kec kee kek ken keo ker kes key kjc kje kjr kjs kkc kke kkk kkn kkr kks kky kn- knc kne knk knn kno knr koc koe kok kon koo kor kos koy krc krk krn kro krr krs kry ksc kse ksk ksn kso ksr kss kyc kye kyn kyo kyr kys ncc nce nck ncn nco ncr ncs ne- nec nee nej nek nen neo ner nes ney njc nje njk njn njs nkc nke nkj nkk nkn nko nkr nks nky nnc nne nnk nnn nno nns no- noc noe noj nok non noo nor nos noy nrc nre nrj nrk nrn nro nrr nrs nry nsc nse nsk nsn nso nsr nss nsy nyc nye nyk nyn nyo nys nyy oc- occ ocj ock ocn oco ocr ocs oec oee oen oeo oer oes oey ojc oje ojo ojs ojy okc oke okj okk oko okr oks on- onc one onj onk onn ono onr ons ony oo- ooc ook oon ooo oor oos or- orc ore ork orn oro orr ors ory os- osc ose osj osk osn oso osr oss oye oyo oys rcc rce rcj rcn rco rcr rcs re- rec ree rek ren reo rer res rey rjc rjk rjr rkc rke rkk rko rks rky rnc rnn rno rnr rns rny roc roe roj rok ron roo ror ros roy rrc rrk rrn rrr rrs rsc rse rsj rsk rsn rso rsr rss ry- ryc rye ryk ryn ryo ryr rys ryy scc sce scj sck scn sco scr scs se- sec see sej sek sen seo ser ses sey sjc sje sjj sjk sjr sjs sk- skc ske skj skk sko skr sks sky snc sne snj snk snn sno snr sns sny soc soe soj sok son soo sor sos soy sr- src sre srj srk srn sro srr srs sry ss- ssc sse ssj ssk ssn sso ssr sss sy- syc sye syk syn syr sys ycc yce yco ycs ycy yec yee yek yen yeo yer yes yey ykk ykn yne ynk ynn yns yny yoc yoe yoj yok yon yoo yor yos yoy yrc yre yrn yro yrs ysc yse ysj ysk yso ysr yss ysy yyc yye yys yyy