-ey c-- ccc cce ccf cck ccn cco ce- cec cee cef cek cen ceo cey cfc cfe cff cfk cfn cfo ckc cko cky cn- cnc cne cnf cnn cno cny co- coc coe cof cok con coo coy cyc cye cyf cyk cyn cyo ec- ecc ece ecf eck ecn eco eec eee eef eek een eeo eey ef- efc efe eff efo ekc eke ekf eko eky en- enc ene enf enk enn eno eny eo- eoc eoe eof eok eon eoo eyc eye eyn eyo fcc fce fcf fck fcn fco fcy fec fee fef fek fen feo fey ffc ffe fff ffk ffn ffo ffy fkc fkf fkk fnc fne fnf fnk fnn foc foe fof fok fon foo foy fy- fyc fye fyk fyn fyo kcc kce kck kcn ke- kec kee kef kek ken keo key kfc kff kfo kkc kke kkk kkn kky kn- knc kne knf knk knn kno koc koe kof kok kon koo koy kyc kye kyn kyo ncc nce ncf nck ncn nco ne- nec nee nef nek nen neo ney nfc nfe nff nfk nfn nfo nkc nke nkf nkk nkn nko nky nnc nne nnf nnk nnn nno no- noc noe nof nok non noo noy nyc nye nyf nyk nyn nyo nyy oc- occ ocf ock ocn oco oec oee oef oen oeo oey of- ofc ofe off ofn ofo okc oke okk oko on- onc one onf onk onn ono ony oo- ooc oof ook oon ooo oye oyo ycc yce ycf yco ycy yec yee yef yek yen yeo yey yfc yfe yff ykk ykn yne ynk ynn yny yoc yoe yof yok yon yoo yoy yyc yye yyf yyy