-up c-- ccc ccd cce ccp ccs cct ccu cdc cdd cde cdp cds cdt cdu ce- cec ced cee cep ces cet ceu cpc cpd cpe cpp cps cpt cpu csc csd cse csp css cst csu ctc ctd cte ctp cts ctt ctu cuc cud cue cup cus cut cuu dcc dcd dce dcp dcs dct dcu ddc ddd dde ddp dds ddt ddu de- dec ded dee dep des det deu dpc dpd dpe dpp dps dpt dpu dsc dsd dse dsp dss dst dsu dtc dtd dte dtp dts dtt dtu duc dud due dup dus dut ec- ecc ecd ece ecs ect ecu ed- edc edd ede edp eds edt edu eec eed eee eep ees eet ep- epc epd epe epp eps ept epu es- esc esd ese esp ess est esu etc etd ete etp ets ett etu eu- euc eud eue eup eus eut p-p pcc pcd pce pcp pcs pct pcu pdc pdd pde pdp pds pdt pdu pec ped pee pep pes pet peu ppc ppd ppe ppp pps ppt ppu ps- psc psd pse psp pss pst psu pt- ptc ptd pte ptp pts ptt ptu puc pud pue pup pus put puu scc scd sce scp scs sct scu sdc sdd sde sdp sds sdt sdu se- sec sed see sep ses set seu spc spd spe spp sps spt spu ss- ssc ssd sse ssp sss sst ssu stc std ste stp sts stt stu suc sud sue sup sus sut suu tcc tcd tce tcp tcs tct tcu tdc tdd tde tdp tds tdt tdu te- tec ted tee tep tes tet teu tpc tpd tpe tpp tps tpt tpu tsc tsd tse tsp tss tst tsu ttc ttd tte ttp tts ttt ttu tuc tud tue tup tus tut tuu ucc ucd uce ucp ucs uct ucu udc udd ude udp uds udt udu uec ued uee uep ues uet up- upc upd upe upp ups upt upu usc usd use usp uss ust usu utc utd ute utp uts utt utu uuc uue uus uut uuu