-up c-- ccc ccd cce ccf cco ccp ccs ccu cdc cdd cde cdf cdo cdp cds cdu ce- cec ced cee cef ceo cep ces ceu cfc cfd cfe cff cfo cfp cfs cfu co- coc cod coe cof coo cop cos cou cpc cpd cpe cpf cpo cpp cps cpu csc csd cse csf cso csp css csu cuc cud cue cuf cuo cup cus cuu dcc dcd dce dcf dco dcp dcs dcu ddc ddd dde ddf ddo ddp dds ddu de- dec ded dee def deo dep des deu dfc dfd dfe dff dfo dfp dfs dfu doc dod doe dof doo dop dos dou dpc dpd dpe dpf dpo dpp dps dpu dsc dsd dse dsf dso dsp dss dsu duc dud due duf duo dup dus ec- ecc ecd ece ecf eco ecs ecu ed- edc edd ede edf edo edp eds edu eec eed eee eef eeo eep ees ef- efc efd efe eff efo efp efs eo- eoc eod eoe eof eoo eop eos eou ep- epc epd epe epf epo epp eps epu es- esc esd ese esf eso esp ess esu eu- euc eud eue euf eup eus fcc fcd fce fcf fco fcp fcs fcu fdc fdd fde fdf fdo fdp fds fdu fec fed fee fef feo fep fes feu ffc ffd ffe fff ffo ffp ffs ffu foc foe fof foo fop fos fou fpc fpd fpe fpo fpp fps fpu fsc fsd fse fsf fso fsp fss fsu fud fue fuf fuo fup fus fuu oc- occ ocd ocf oco ocp ocs ocu odc odd ode odf odo odp ods odu oec oed oee oef oeo oep oes of- ofc ofd ofe off ofo ofp ofs ofu oo- ooc ood oof ooo oop oos op- opc opd ope opf opo opp ops os- osc osd ose osf oso osp oss osu ou- ouc oud oue ouf ouo oup ous p-p pcc pcd pce pcf pco pcp pcs pcu pdc pdd pde pdf pdo pdp pds pdu pec ped pee pef peo pep pes peu pfc pfd pfe pff pfo pfp pfs pfu poc pod poe pof poo pop pos pou ppc ppd ppe ppf ppo ppp pps ppu ps- psc psd pse psf pso psp pss psu puc pud pue puf pup pus puu scc scd sce scf sco scp scs scu sdc sdd sde sdf sdo sdp sds sdu se- sec sed see sef seo sep ses seu sfc sfd sfe sff sfo sfp sfs sfu soc sod soe sof soo sop sos sou spc spd spe spf spo spp sps spu ss- ssc ssd sse ssf sso ssp sss ssu suc sud sue suf suo sup sus suu ucc ucd uce ucf uco ucp ucs ucu udc udd ude udf udo udp uds udu uec ued uee uef uep ues ufc ufd ufe uff ufo ufp ufs ufu uoc uod uoe uoo uop uos up- upc upd upe upf upo upp ups upu usc usd use usf uso usp uss usu uuc uue uus uuu