-ic c-- ccc cci cck ccn ccp ccs ci- cic cii cik cin cip cis ckc cki cks cn- cnc cni cnn cnp cns cpc cpi cpk cpn cpp cps csc csi csk csn csp css icc ici ick icn icp ics iic iii iin iip iis ikc iki ikk iks in- inc ini ink inn inp ins ipc ipi ipn ipp ips is- isc isi isk isn isp iss kcc kci kck kcn kcp kcs kic kii kik kin kip kis kkc kki kkk kkn kkp kks kn- knc kni knk knn knp kpc kpi kpk kpn kpp kps ksc ksi ksk ksn ksp kss n-i ncc nci nck ncn ncp ncs nic nii nik nin nip nis nkc nki nkk nkn nkp nks nnc nni nnk nnn nnp nns npc npi npn npp nps nsc nsi nsk nsn nsp nss p-p pcc pci pck pcn pcp pcs pic pii pik pin pip pis pkc pki pkn pkp pks pn- pnc pni pnk pnn pnp pns ppc ppi ppk ppn ppp pps ps- psc psi psk psn psp pss scc sci sck scn scp scs sic sii sik sin sip sis sk- skc ski skk skp sks snc sni snk snn snp sns spc spi spk spn spp sps ss- ssc ssi ssk ssn ssp sss