-ic c-- ccc cce ccf cci ccl ccp ccs ce- cec cee cef cei cel cep ces cfc cfe cff cfi cfl cfp cfs ci- cic cie cif cii cil cip cis cl- clc cle clf cli cll clp cls cpc cpe cpf cpi cpl cpp cps csc cse csf csi csl csp css ec- ecc ece ecf eci ecl ecs eec eee eef eel eep ees ef- efc efe eff efi efl efp efs eic eie eif eii eil eip eis elc ele elf eli ell elp els ep- epc epe epf epi epl epp eps es- esc ese esf esi esl esp ess fcc fce fcf fci fcl fcp fcs fec fee fef fei fel fep fes ffc ffe fff ffi ffl ffp ffs fic fie fif fii fil fip fis flc fle flf fli fll flp fls fpc fpe fpi fpl fpp fps fsc fse fsf fsi fsl fsp fss i-f icc ice icf ici icl icp ics ie- iec iee ief iei iel iep ies ifc ife iff ifi ifl ifp ifs iic iie iif iii iil iip iis il- ilc ile ilf ili ill ilp ils ipc ipe ipf ipi ipl ipp ips is- isc ise isf isi isl isp iss l-p lcc lce lcf lci lcl lcp lcs lec lee lef lei lel lep les lfc lfe lff lfi lfl lfp lfs lic lie lif lii lil lip lis llc lle llf lli lll llp lls lpc lpe lpf lpi lpl lpp lps lsc lse lsf lsi lsl lsp lss p-p pcc pce pcf pci pcl pcp pcs pec pee pef pei pel pep pes pfc pfe pff pfi pfl pfp pfs pic pie pif pii pil pip pis plc ple plf pli pll plp pls ppc ppe ppf ppi ppl ppp pps ps- psc pse psf psi psl psp pss scc sce scf sci scl scp scs se- sec see sef sei sel sep ses sfc sfe sff sfi sfl sfp sfs sic sie sif sii sil sip sis slc sle slf sli sll slp sls spc spe spf spi spl spp sps ss- ssc sse ssf ssi ssl ssp sss