-up c-- ccc cce ccl ccp ccs ccu ce- cec cee cel cep ces ceu cl- clc cle cll clp cls clu cpc cpe cpl cpp cps cpu csc cse csl csp css csu cuc cue cul cup cus cuu ec- ecc ece ecl ecs ecu eec eee eel eep ees elc ele ell elp els elu ep- epc epe epl epp eps epu es- esc ese esl esp ess esu eu- euc eue eul eup eus l-p lcc lce lcl lcp lcs lcu lec lee lel lep les leu llc lle lll llp lls llu lpc lpe lpl lpp lps lpu lsc lse lsl lsp lss lsu luc lue lul lup lus luu p-p pcc pce pcl pcp pcs pcu pec pee pel pep pes peu plc ple pll plp pls plu ppc ppe ppl ppp pps ppu ps- psc pse psl psp pss psu puc pue pul pup pus puu scc sce scl scp scs scu se- sec see sel sep ses seu slc sle sll slp sls slu spc spe spl spp sps spu ss- ssc sse ssl ssp sss ssu suc sue sul sup sus suu ucc uce ucl ucp ucs ucu uec uee uel uep ues ulc ule ull ulp uls ulu up- upc upe upp ups upu usc use usl usp uss usu uuc uue uus uuu