-up c-- ccc cce cck ccl ccp ccs ccu ce- cec cee cek cel cep ces ceu ckc cks cl- clc cle clk cll clp cls clu cpc cpe cpk cpl cpp cps cpu csc cse csk csl csp css csu cuc cue cuk cul cup cus cuu ec- ecc ece eck ecl ecs ecu eec eee eek eel eep ees ekc eke ekl ekp eks eku elc ele elk ell elp els elu ep- epc epe epl epp eps epu es- esc ese esk esl esp ess esu eu- euc eue eul eup eus kcc kce kck kcl kcp kcs kcu ke- kec kee kek kel kep kes kkc kke kkk kkl kkp kks kku kl- klc kls klu kpc kpe kpk kpl kpp kps kpu ksc kse ksk ksl ksp kss ksu kuc kue kuk kul kup kus kuu l-p lcc lce lck lcl lcp lcs lcu lec lee lek lel lep les leu lkl lkp lks llc lle llk lll llp lls llu lpc lpe lpk lpl lpp lps lpu lsc lse lsk lsl lsp lss lsu luc lue luk lul lup lus luu p-p pcc pce pck pcl pcp pcs pcu pec pee pek pel pep pes peu pkc pke pkl pkp pks pku plc ple plk pll plp pls plu ppc ppe ppk ppl ppp pps ppu ps- psc pse psk psl psp pss psu puc pue puk pul pup pus puu scc sce sck scl scp scs scu se- sec see sek sel sep ses seu sk- skc ske skk skl skp sks sku slc sle slk sll slp sls slu spc spe spk spl spp sps spu ss- ssc sse ssk ssl ssp sss ssu suc sue suk sul sup sus suu ucc uce uck ucl ucp ucs ucu uec uee uel uep ues ukc uke ukk ukl ukp uku ulc ule ulk ull ulp uls ulu up- upc upe upk upp ups upu usc use usk usl usp uss usu uuc uue uus uuu