-ic c-- ccc cce ccf cci ccn ccp ccs ce- cec cee cef cei cen cep ces cfc cfe cff cfi cfn cfp cfs ci- cic cie cif cii cin cip cis cn- cnc cne cnf cni cnn cnp cns cpc cpe cpf cpi cpn cpp cps csc cse csf csi csn csp css ec- ecc ece ecf eci ecn ecs eec eee eef een eep ees ef- efc efe eff efi efp efs eic eie eif eii ein eip eis en- enc ene enf eni enn enp ens ep- epc epe epf epi epn epp eps es- esc ese esf esi esn esp ess fcc fce fcf fci fcn fcp fcs fec fee fef fei fen fep fes ffc ffe fff ffi ffn ffp ffs fic fie fif fii fin fip fis fnc fne fnf fni fnn fnp fns fpc fpe fpi fpn fpp fps fsc fse fsf fsi fsn fsp fss i-f icc ice icf ici icn icp ics ie- iec iee ief iei ien iep ies ifc ife iff ifi ifn ifp ifs iic iie iif iii iin iip iis in- inc ine inf ini inn inp ins ipc ipe ipf ipi ipn ipp ips is- isc ise isf isi isn isp iss n-i ncc nce ncf nci ncn ncp ncs ne- nec nee nef nei nen nep nes nfc nfe nff nfi nfn nfp nfs nic nie nif nii nin nip nis nnc nne nnf nni nnn nnp nns npc npe npf npi npn npp nps nsc nse nsf nsi nsn nsp nss p-p pcc pce pcf pci pcn pcp pcs pec pee pef pei pen pep pes pfc pfe pff pfi pfn pfp pfs pic pie pif pii pin pip pis pn- pnc pne pnf pni pnn pnp pns ppc ppe ppf ppi ppn ppp pps ps- psc pse psf psi psn psp pss scc sce scf sci scn scp scs se- sec see sef sei sen sep ses sfc sfe sff sfi sfn sfp sfs sic sie sif sii sin sip sis snc sne snf sni snn snp sns spc spe spf spi spn spp sps ss- ssc sse ssf ssi ssn ssp sss