-up c-- ccc ccd cce ccl ccp ccu cdc cdd cde cdl cdp cdu ce- cec ced cee cel cep ceu cl- clc cld cle cll clp clu cpc cpd cpe cpl cpp cpu cuc cud cue cul cup cuu dcc dcd dce dcl dcp dcu ddc ddd dde ddl ddp ddu de- dec ded dee del dep deu dl- dlc dld dle dll dlp dlu dpc dpd dpe dpl dpp dpu duc dud due dul dup ec- ecc ecd ece ecl ecu ed- edc edd ede edl edp edu eec eed eee eel eep elc eld ele ell elp elu ep- epc epd epe epl epp epu eu- euc eud eue eul eup l-p lcc lcd lce lcl lcp lcu ldc ldd lde ldl ldp ldu lec led lee lel lep leu llc lld lle lll llp llu lpc lpd lpe lpl lpp lpu luc lud lue lul lup luu p-p pcc pcd pce pcl pcp pcu pdc pdd pde pdl pdp pdu pec ped pee pel pep peu plc pld ple pll plp plu ppc ppd ppe ppl ppp ppu puc pud pue pul pup puu ucc ucd uce ucl ucp ucu udc udd ude udl udp udu uec ued uee uel uep ulc uld ule ull ulp ulu up- upc upd upe upp upu uuc uue uuu