-ic c-- ccc cci cck ccn cco ci- cic cii cik cin cio ckc cki cko cn- cnc cni cnn cno co- coc coi cok con coo icc ici ick icn ico iic iii iin iio ikc iki ikk iko in- inc ini ink inn ino io- ioc ioi ion ioo kcc kci kck kcn kic kii kik kin kio kkc kki kkk kkn kn- knc kni knk knn kno koc koi kok kon koo n-i ncc nci nck ncn nco nic nii nik nin nio nkc nki nkk nkn nko nnc nni nnk nnn nno no- noc noi nok non noo o-i oc- occ oci ock ocn oco oic oii oik oin oio okc oki okk oko on- onc oni onk onn ono oo- ooc ooi ook oon ooo