-ic c-- ccc cce cci cck ccn ccp ce- cec cee cei cek cen cep ci- cic cie cii cik cin cip ckc cki cn- cnc cne cni cnn cnp cpc cpe cpi cpk cpn cpp ec- ecc ece eci eck ecn eec eee eek een eep eic eie eii eik ein eip ekc eke eki ekp en- enc ene eni enk enn enp ep- epc epe epi epn epp icc ice ici ick icn icp ie- iec iee iei iek ien iep iic iie iii iin iip ikc ike iki ikk in- inc ine ini ink inn inp ipc ipe ipi ipn ipp kcc kce kci kck kcn kcp ke- kec kee kei kek ken kep kic kie kii kik kin kip kkc kke kki kkk kkn kkp kn- knc kne kni knk knn knp kpc kpe kpi kpk kpn kpp n-i ncc nce nci nck ncn ncp ne- nec nee nei nek nen nep nic nie nii nik nin nip nkc nke nki nkk nkn nkp nnc nne nni nnk nnn nnp npc npe npi npn npp p-p pcc pce pci pck pcn pcp pec pee pei pek pen pep pic pie pii pik pin pip pkc pke pki pkn pkp pn- pnc pne pni pnk pnn pnp ppc ppe ppi ppk ppn ppp