-ic c-- ccc ccd cce cci ccl ccp cdc cdd cde cdi cdl cdp ce- cec ced cee cei cel cep ci- cic cid cie cii cil cip cl- clc cld cle cli cll clp cpc cpd cpe cpi cpl cpp dcc dcd dce dci dcl dcp ddc ddd dde ddi ddl ddp de- dec ded dee dei del dep di- dic did die dii dil dip dl- dlc dld dle dli dll dlp dpc dpd dpe dpi dpl dpp ec- ecc ecd ece eci ecl ed- edc edd ede edi edl edp eec eed eee eel eep eic eid eie eii eil eip elc eld ele eli ell elp ep- epc epd epe epi epl epp i-d icc icd ice ici icl icp idc idd ide idi idl idp ie- iec ied iee iei iel iep iic iid iie iii iil iip il- ilc ild ile ili ill ilp ipc ipd ipe ipi ipl ipp l-p lcc lcd lce lci lcl lcp ldc ldd lde ldi ldl ldp lec led lee lei lel lep lic lid lie lii lil lip llc lld lle lli lll llp lpc lpd lpe lpi lpl lpp p-p pcc pcd pce pci pcl pcp pdc pdd pde pdi pdl pdp pec ped pee pei pel pep pic pid pie pii pil pip plc pld ple pli pll plp ppc ppd ppe ppi ppl ppp