-ic c-- ccc cci ccn ccp ccs ci- cic cii cin cip cis cn- cnc cni cnn cnp cns cpc cpi cpn cpp cps csc csi csn csp css icc ici icn icp ics iic iii iin iip iis in- inc ini inn inp ins ipc ipi ipn ipp ips is- isc isi isn isp iss n-i ncc nci ncn ncp ncs nic nii nin nip nis nnc nni nnn nnp nns npc npi npn npp nps nsc nsi nsn nsp nss p-p pcc pci pcn pcp pcs pic pii pin pip pis pn- pnc pni pnn pnp pns ppc ppi ppn ppp pps ps- psc psi psn psp pss scc sci scn scp scs sic sii sin sip sis snc sni snn snp sns spc spi spn spp sps ss- ssc ssi ssn ssp sss