-ic c-- ccc cce ccf cci cck ccl ccn ce- cec cee cef cei cek cel cen cfc cfe cff cfi cfk cfl cfn ci- cic cie cif cii cik cil cin ckc cki cl- clc cle clf cli clk cll cln cn- cnc cne cnf cni cnl cnn ec- ecc ece ecf eci eck ecl ecn eec eee eef eek eel een ef- efc efe eff efi efl eic eie eif eii eik eil ein ekc eke ekf eki ekl elc ele elf eli elk ell eln en- enc ene enf eni enk enl enn fcc fce fcf fci fck fcl fcn fec fee fef fei fek fel fen ffc ffe fff ffi ffk ffl ffn fic fie fif fii fik fil fin fkc fkf fki fkk fkl flc fle flf fli fll fln fnc fne fnf fni fnk fnl fnn i-f icc ice icf ici ick icl icn ie- iec iee ief iei iek iel ien ifc ife iff ifi ifl ifn iic iie iif iii iil iin ikc ike ikf iki ikk ikl il- ilc ile ilf ili ilk ill iln in- inc ine inf ini ink inl inn kcc kce kci kck kcl kcn ke- kec kee kef kei kek kel ken kfc kff kfi kic kie kif kii kik kil kin kkc kke kki kkk kkl kkn kl- klc klf kli kn- knc kne knf kni knk knl knn lcc lce lcf lci lck lcl lcn lec lee lef lei lek lel len lfc lfe lff lfi lfk lfl lfn lic lie lif lii lik lil lin lkl llc lle llf lli llk lll lln lnc lne lni lnk lnl lnn n-i ncc nce ncf nci nck ncl ncn ne- nec nee nef nei nek nel nen nfc nfe nff nfi nfk nfl nfn nic nie nif nii nik nil nin nkc nke nkf nki nkk nkn nlc nle nlf nli nlk nll nln nnc nne nnf nni nnk nnl nnn