-up c-- ccc cce ccn ccp ccs cct ccu ce- cec cee cen cep ces cet ceu cn- cnc cne cnn cnp cns cnt cnu cpc cpe cpn cpp cps cpt cpu csc cse csn csp css cst csu ctc cte ctn ctp cts ctt ctu cuc cue cun cup cus cut cuu ec- ecc ece ecn ecs ect ecu eec eee een eep ees eet en- enc ene enn enp ens ent enu ep- epc epe epn epp eps ept epu es- esc ese esn esp ess est esu etc ete etn etp ets ett etu eu- euc eue eun eup eus eut ncc nce ncn ncp ncs nct ncu ne- nec nee nen nep nes net neu nnc nne nnn nnp nns nnt nnu npc npe npn npp nps npt npu nsc nse nsn nsp nss nst nsu ntc nte ntn ntp nts ntt ntu nuc nue nun nup nus nut nuu p-p pcc pce pcn pcp pcs pct pcu pec pee pen pep pes pet peu pn- pnc pne pnn pnp pns pnt pnu ppc ppe ppn ppp pps ppt ppu ps- psc pse psn psp pss pst psu pt- ptc pte ptn ptp pts ptt ptu puc pue pun pup pus put puu scc sce scn scp scs sct scu se- sec see sen sep ses set seu snc sne snn snp sns snt snu spc spe spn spp sps spt spu ss- ssc sse ssn ssp sss sst ssu stc ste stn stp sts stt stu suc sue sun sup sus sut suu tcc tce tcn tcp tcs tct tcu te- tec tee ten tep tes tet teu tnc tne tnn tnp tns tnt tpc tpe tpn tpp tps tpt tpu tsc tse tsn tsp tss tst tsu ttc tte ttn ttp tts ttt ttu tuc tue tun tup tus tut tuu ucc uce ucn ucp ucs uct ucu uec uee uen uep ues uet un- unc une unn unp uns unt unu up- upc upe upn upp ups upt upu usc use usn usp uss ust usu utc ute utn utp uts utt utu uuc uue uun uus uut uuu