-ey -up c-- ccc cce cco ccp ccs ccu ccx ce- cec cee ceo cep ces ceu cex cey co- coc coe coo cop cos cou cox coy cpc cpe cpo cpp cps cpu cpx csc cse cso csp css csu csx csy cuc cue cuo cup cus cuu cuy cxc cxo cxp cxs cxx cyc cye cyo cyp cys ec- ecc ece eco ecs ecu ecx eec eee eeo eep ees eex eey eo- eoc eoe eoo eop eos eou ep- epc epe epo epp eps epu epx es- esc ese eso esp ess esu esx esy eu- euc eue eup eus eux ex- exc exe exo exp exs exu exx exy eyc eye eyo eyp eys oc- occ oco ocp ocs ocu ocx oec oee oeo oep oes oex oey oo- ooc ooo oop oos oox op- opc ope opo opp ops opx opy os- osc ose oso osp oss osu osx ou- ouc oue ouo oup ous ox- oxc oxo oxx oxy oye oyo oys p-p pcc pce pco pcp pcs pcu pcx pec pee peo pep pes peu pex pey poc poe poo pop pos pou pox poy ppc ppe ppo ppp pps ppu ppx ps- psc pse pso psp pss psu psx psy puc pue pup pus puu puy pxc pxe pxs py- pyc pye pyo pys pyu pyx scc sce sco scp scs scu scx se- sec see seo sep ses seu sex sey soc soe soo sop sos sou sox soy spc spe spo spp sps spu spx spy ss- ssc sse sso ssp sss ssu ssx suc sue suo sup sus suu sux suy sxc sxs sxu sy- syc sye syp sys syu syx ucc uce uco ucp ucs ucu uec uee uep ues uey uoc uoe uoo uop uos uox up- upc upe upo upp ups upu upx usc use uso usp uss usu usx uuc uue uus uuu uxc uxo uxu uyc uyo uys uyu xcp xcx xee xep xes xeu xex xoc xoo xop xos xox xpc xpe xpo xpp xps xsc xsp xss xue xup xus xxo xxp xxx xxy xyp xyy ycc yce yco ycp ycs ycu ycy yec yee yeo yep yes yex yey yoc yoe yoo yop yos you yox yoy ypo yps ypu ysc yse yso ysp yss ysu ysy yue yuo yup yus yuu yux yuy yxe yxy yyc yye yys yyu yyy