-up c-- ccc cce cco ccp ccs ccu ccv ce- cec cee ceo cep ces ceu cev co- coc coe coo cop cos cou cov cpc cpe cpo cpp cps cpu cpv csc cse cso csp css csu csv cuc cue cuo cup cus cuu cuv cvc cve cvo cvp cvs cvu cvv ec- ecc ece eco ecs ecu ecv eec eee eeo eep ees eev eo- eoc eoe eoo eop eos eou ep- epc epe epo epp eps epu es- esc ese eso esp ess esu esv eu- euc eue eup eus euv evc eve evo evp evs evv oc- occ oco ocp ocs ocu ocv oec oee oeo oep oes oo- ooc ooo oop oos oov op- opc ope opo opp ops opv os- osc ose oso osp oss osu osv ou- ouc oue ouo oup ous ov- ovc ove ovo ovp ovs ovv p-p pcc pce pco pcp pcs pcu pcv pec pee peo pep pes peu pev poc poe poo pop pos pou pov ppc ppe ppo ppp pps ppu ppv ps- psc pse pso psp pss psu psv puc pue pup pus puu pvc pve pvo pvp pvs pvu pvv scc sce sco scp scs scu scv se- sec see seo sep ses seu sev soc soe soo sop sos sou sov spc spe spo spp sps spu spv ss- ssc sse sso ssp sss ssu ssv suc sue suo sup sus suu suv svc sve svo svp svs svu svv ucc uce uco ucp ucs ucu ucv uec uee uep ues uoc uoe uoo uop uos up- upc upe upo upp ups upu upv usc use uso usp uss usu usv uuc uue uus uuu uvc uve uvo uvs uvu uvv v-e vcc vce vco vcp vcs vcu vec vee veo vep ves veu voc voe voo vop vos vou vov vpc vpe vpo vpp vps vpu vsc vse vso vsp vss vsu vsv vue vup vus vuv vvc vvo vvs vvv