c-- ccc ccd cce ccl ccp cdc cdd cde cdl cdp ce- cec ced cee cel cep cl- clc cld cle cll clp cpc cpd cpe cpl cpp dcc dcd dce dcl dcp ddc ddd dde ddl ddp de- dec ded dee del dep dl- dlc dld dle dll dlp dpc dpd dpe dpl dpp ec- ecc ecd ece ecl ed- edc edd ede edl edp eec eed eee eel eep elc eld ele ell elp ep- epc epd epe epl epp l-p lcc lcd lce lcl lcp ldc ldd lde ldl ldp lec led lee lel lep llc lld lle lll llp lpc lpd lpe lpl lpp p-p pcc pcd pce pcl pcp pdc pdd pde pdl pdp pec ped pee pel pep plc pld ple pll plp ppc ppd ppe ppl ppp