-up c-- ccc ccd cce cco ccp cct ccu cdc cdd cde cdo cdp cdt cdu ce- cec ced cee ceo cep cet ceu co- coc cod coe coo cop cot cou cpc cpd cpe cpo cpp cpt cpu ctc ctd cte cto ctp ctt ctu cuc cud cue cuo cup cut cuu dcc dcd dce dco dcp dct dcu ddc ddd dde ddo ddp ddt ddu de- dec ded dee deo dep det deu doc dod doe doo dop dot dou dpc dpd dpe dpo dpp dpt dpu dtc dtd dte dto dtp dtt dtu duc dud due duo dup dut ec- ecc ecd ece eco ect ecu ed- edc edd ede edo edp edt edu eec eed eee eeo eep eet eo- eoc eod eoe eoo eop eot eou ep- epc epd epe epo epp ept epu etc etd ete eto etp ett etu eu- euc eud eue eup eut oc- occ ocd oco ocp oct ocu odc odd ode odo odp odt odu oec oed oee oeo oep oet oo- ooc ood ooo oop oot op- opc opd ope opo opp opt ot- otc otd ote oto otp ott otu ou- ouc oud oue ouo oup out p-p pcc pcd pce pco pcp pct pcu pdc pdd pde pdo pdp pdt pdu pec ped pee peo pep pet peu poc pod poe poo pop pot pou ppc ppd ppe ppo ppp ppt ppu pt- ptc ptd pte pto ptp ptt ptu puc pud pue pup put puu tcc tcd tce tco tcp tct tcu tdc tdd tde tdo tdp tdt tdu te- tec ted tee teo tep tet teu to- toc tod toe too top tot tou tpc tpd tpe tpo tpp tpt tpu ttc ttd tte tto ttp ttt ttu tuc tud tue tuo tup tut tuu ucc ucd uce uco ucp uct ucu udc udd ude udo udp udt udu uec ued uee uep uet uoc uod uoe uoo uop uot up- upc upd upe upo upp upt upu utc utd ute uto utp utt utu uuc uue uut uuu