-ic c-- ccc ccf cci cck ccn cfc cff cfi cfk cfn ci- cic cif cii cik cin ckc cki cky cn- cnc cnf cni cnn cny cyc cyf cyk cyn fcc fcf fci fck fcn fcy ffc fff ffi ffk ffn ffy fic fif fii fik fin fkc fkf fki fkk fnc fnf fni fnk fnn fy- fyc fyi fyk fyn i-f icc icf ici ick icn icy ifc iff ifi ifn ify iic iif iii iin ikc ikf iki ikk in- inc inf ini ink inn iny iyc iyy kcc kci kck kcn kfc kff kfi kic kif kii kik kin kkc kki kkk kkn kky kn- knc knf kni knk knn kyc kyn n-i ncc ncf nci nck ncn nfc nff nfi nfk nfn nic nif nii nik nin nkc nkf nki nkk nkn nky nnc nnf nni nnk nnn nyc nyf nyk nyn nyy ycc ycf yci ycy yfc yff yif yii yin yki ykk ykn ynk ynn yny yyc yyf yyy