-ic c-- ccc ccd cce cci ccl ccp ccs cdc cdd cde cdi cdl cdp cds ce- cec ced cee cei cel cep ces ci- cic cid cie cii cil cip cis cl- clc cld cle cli cll clp cls cpc cpd cpe cpi cpl cpp cps csc csd cse csi csl csp css dcc dcd dce dci dcl dcp dcs ddc ddd dde ddi ddl ddp dds de- dec ded dee dei del dep des di- dic did die dii dil dip dis dl- dlc dld dle dli dll dlp dls dpc dpd dpe dpi dpl dpp dps dsc dsd dse dsi dsl dsp dss ec- ecc ecd ece eci ecl ecs ed- edc edd ede edi edl edp eds eec eed eee eel eep ees eic eid eie eii eil eip eis elc eld ele eli ell elp els ep- epc epd epe epi epl epp eps es- esc esd ese esi esl esp ess i-d icc icd ice ici icl icp ics idc idd ide idi idl idp ids ie- iec ied iee iei iel iep ies iic iid iie iii iil iip iis il- ilc ild ile ili ill ilp ils ipc ipd ipe ipi ipl ipp ips is- isc isd ise isi isl isp iss l-p lcc lcd lce lci lcl lcp lcs ldc ldd lde ldi ldl ldp lds lec led lee lei lel lep les lic lid lie lii lil lip lis llc lld lle lli lll llp lls lpc lpd lpe lpi lpl lpp lps lsc lsd lse lsi lsl lsp lss p-p pcc pcd pce pci pcl pcp pcs pdc pdd pde pdi pdl pdp pds pec ped pee pei pel pep pes pic pid pie pii pil pip pis plc pld ple pli pll plp pls ppc ppd ppe ppi ppl ppp pps ps- psc psd pse psi psl psp pss scc scd sce sci scl scp scs sdc sdd sde sdi sdl sdp sds se- sec sed see sei sel sep ses sic sid sie sii sil sip sis slc sld sle sli sll slp sls spc spd spe spi spl spp sps ss- ssc ssd sse ssi ssl ssp sss