-up c-- ccc cce ccf ccp cct ccu ce- cec cee cef cep cet ceu cfc cfe cff cfp cft cfu cpc cpe cpf cpp cpt cpu ctc cte ctf ctp ctt ctu cuc cue cuf cup cut cuu ec- ecc ece ecf ect ecu eec eee eef eep eet ef- efc efe eff efp eft ep- epc epe epf epp ept epu etc ete etf etp ett etu eu- euc eue euf eup eut fcc fce fcf fcp fct fcu fec fee fef fep fet feu ffc ffe fff ffp fft ffu fpc fpe fpp fpt fpu ftc fte ftf ftp ftt ftu fue fuf fup fut fuu p-p pcc pce pcf pcp pct pcu pec pee pef pep pet peu pfc pfe pff pfp pft pfu ppc ppe ppf ppp ppt ppu pt- ptc pte ptf ptp ptt ptu puc pue puf pup put puu tcc tce tcf tcp tct tcu te- tec tee tef tep tet teu tfc tfe tff tfp tft tfu tpc tpe tpf tpp tpt tpu ttc tte ttf ttp ttt ttu tuc tue tuf tup tut tuu ucc uce ucf ucp uct ucu uec uee uef uep uet ufc ufe uff ufp uft ufu up- upc upe upf upp upt upu utc ute utf utp utt utu uuc uue uut uuu