-ic c-- ccc cce ccf cci cck ccl ce- cec cee cef cei cek cel cfc cfe cff cfi cfk cfl ci- cic cie cif cii cik cil ckc cki cl- clc cle clf cli clk cll ec- ecc ece ecf eci eck ecl eec eee eef eek eel ef- efc efe eff efi efl eic eie eif eii eik eil ekc eke ekf eki ekl elc ele elf eli elk ell fcc fce fcf fci fck fcl fec fee fef fei fek fel ffc ffe fff ffi ffk ffl fic fie fif fii fik fil fkc fkf fki fkk fkl flc fle flf fli fll i-f icc ice icf ici ick icl ie- iec iee ief iei iek iel ifc ife iff ifi ifl iic iie iif iii iil ikc ike ikf iki ikk ikl il- ilc ile ilf ili ilk ill kcc kce kci kck kcl ke- kec kee kef kei kek kel kfc kff kfi kic kie kif kii kik kil kkc kke kki kkk kkl kl- klc klf kli lcc lce lcf lci lck lcl lec lee lef lei lek lel lfc lfe lff lfi lfk lfl lic lie lif lii lik lil lkl llc lle llf lli llk lll