-up c-- ccc cce ccp cct ccu ce- cec cee cep cet ceu cpc cpe cpp cpt cpu ctc cte ctp ctt ctu cuc cue cup cut cuu ec- ecc ece ect ecu eec eee eep eet ep- epc epe epp ept epu etc ete etp ett etu eu- euc eue eup eut p-p pcc pce pcp pct pcu pec pee pep pet peu ppc ppe ppp ppt ppu pt- ptc pte ptp ptt ptu puc pue pup put puu tcc tce tcp tct tcu te- tec tee tep tet teu tpc tpe tpp tpt tpu ttc tte ttp ttt ttu tuc tue tup tut tuu ucc uce ucp uct ucu uec uee uep uet up- upc upe upp upt upu utc ute utp utt utu uuc uue uut uuu