-ic c-- ccc ccf cci cck ccn cco cfc cff cfi cfk cfn cfo ci- cic cif cii cik cin cio ckc cki cko cn- cnc cnf cni cnn cno co- coc cof coi cok con coo fcc fcf fci fck fcn fco ffc fff ffi ffk ffn ffo fic fif fii fik fin fkc fkf fki fkk fnc fnf fni fnk fnn foc fof foi fok fon foo i-f icc icf ici ick icn ico ifc iff ifi ifn ifo iic iif iii iin iio ikc ikf iki ikk iko in- inc inf ini ink inn ino io- ioc iof ioi ion ioo kcc kci kck kcn kfc kff kfi kfo kic kif kii kik kin kio kkc kki kkk kkn kn- knc knf kni knk knn kno koc kof koi kok kon koo n-i ncc ncf nci nck ncn nco nfc nff nfi nfk nfn nfo nic nif nii nik nin nio nkc nkf nki nkk nkn nko nnc nnf nni nnk nnn nno no- noc nof noi nok non noo o-i oc- occ ocf oci ock ocn oco of- ofc off ofi ofn ofo oic oif oii oik oin oio okc oki okk oko on- onc onf oni onk onn ono oo- ooc oof ooi ook oon ooo