-ic c-- ccc ccf cci ccn cco cfc cff cfi cfn cfo ci- cic cif cii cin cio cn- cnc cnf cni cnn cno co- coc cof coi con coo fcc fcf fci fcn fco ffc fff ffi ffn ffo fic fif fii fin fnc fnf fni fnn foc fof foi fon foo i-f icc icf ici icn ico ifc iff ifi ifn ifo iic iif iii iin iio in- inc inf ini inn ino io- ioc iof ioi ion ioo n-i ncc ncf nci ncn nco nfc nff nfi nfn nfo nic nif nii nin nio nnc nnf nni nnn nno no- noc nof noi non noo o-i oc- occ ocf oci ocn oco of- ofc off ofi ofn ofo oic oif oii oin oio on- onc onf oni onn ono oo- ooc oof ooi oon ooo