-up c-- ccc cce cco ccp ccs cct ccu ce- cec cee ceo cep ces cet ceu co- coc coe coo cop cos cot cou cpc cpe cpo cpp cps cpt cpu csc cse cso csp css cst csu ctc cte cto ctp cts ctt ctu cuc cue cuo cup cus cut cuu ec- ecc ece eco ecs ect ecu eec eee eeo eep ees eet eo- eoc eoe eoo eop eos eot eou ep- epc epe epo epp eps ept epu es- esc ese eso esp ess est esu etc ete eto etp ets ett etu eu- euc eue eup eus eut oc- occ oco ocp ocs oct ocu oec oee oeo oep oes oet oo- ooc ooo oop oos oot op- opc ope opo opp ops opt os- osc ose oso osp oss ost osu ot- otc ote oto otp ots ott otu ou- ouc oue ouo oup ous out p-p pcc pce pco pcp pcs pct pcu pec pee peo pep pes pet peu poc poe poo pop pos pot pou ppc ppe ppo ppp pps ppt ppu ps- psc pse pso psp pss pst psu pt- ptc pte pto ptp pts ptt ptu puc pue pup pus put puu scc sce sco scp scs sct scu se- sec see seo sep ses set seu soc soe soo sop sos sot sou spc spe spo spp sps spt spu ss- ssc sse sso ssp sss sst ssu stc ste sto stp sts stt stu suc sue suo sup sus sut suu tcc tce tco tcp tcs tct tcu te- tec tee teo tep tes tet teu to- toc toe too top tos tot tou tpc tpe tpo tpp tps tpt tpu tsc tse tso tsp tss tst tsu ttc tte tto ttp tts ttt ttu tuc tue tuo tup tus tut tuu ucc uce uco ucp ucs uct ucu uec uee uep ues uet uoc uoe uoo uop uos uot up- upc upe upo upp ups upt upu usc use uso usp uss ust usu utc ute uto utp uts utt utu uuc uue uus uut uuu