-er -up c-- ccc cce ccm cco ccp ccr ccs ccu ce- cec cee cem ceo cep cer ces ceu cmc cme cmm cmo cmp cmr cms cmu co- coc coe com coo cop cor cos cou cpc cpe cpm cpo cpp cpr cps cpu crc cre crm cro crp crr crs cru csc cse csm cso csp csr css csu cuc cue cum cuo cup cur cus cuu ec- ecc ece ecm eco ecr ecs ecu eec eee eem eeo eep eer ees em- emc eme emm emo emp emr ems emu eo- eoc eoe eom eoo eop eor eos eou ep- epc epe epm epo epp epr eps epu erc ere erm ero erp err ers eru es- esc ese esm eso esp esr ess esu eu- euc eue eup eur eus m-o m-r mc- mcc mce mcm mco mcp mcr mcs mcu mec mee mem meo mep mer mes meu mmc mme mmm mmo mmp mmr mms mmu moc moe mom moo mop mor mos mou mpc mpe mpm mpo mpp mpr mps mpu mrc mre mrm mro mrp mrr mrs mru msc mse msm mso msp msr mss msu muc mue mum mup mur mus muu oc- occ ocm oco ocp ocr ocs ocu oec oee oem oeo oep oer oes om- omc ome omm omo omp omr oms omu oo- ooc oom ooo oop oor oos op- opc ope opm opo opp opr ops or- orc ore orm oro orp orr ors oru os- osc ose osm oso osp osr oss osu ou- ouc oue oum ouo oup our ous p-p pcc pce pcm pco pcp pcr pcs pcu pec pee pem peo pep per pes peu pmc pme pmm pmo pmp pmr pms pmu poc poe pom poo pop por pos pou ppc ppe ppm ppo ppp ppr pps ppu prc pre prm pro prp prr prs pru ps- psc pse psm pso psp psr pss psu puc pue pum pup pur pus puu rcc rce rcm rco rcp rcr rcs rcu re- rec ree rem reo rep rer res reu rmc rme rmm rmo rmp rmr rms roc roe rom roo rop ror ros rou rpc rpe rpm rpo rpp rpr rps rpu rrc rrm rrp rrr rrs rru rsc rse rsm rso rsp rsr rss rsu ruc rue rum ruo rup rur rus ruu scc sce scm sco scp scr scs scu se- sec see sem seo sep ser ses seu smc sme smm smo smp smr sms smu soc soe som soo sop sor sos sou spc spe spm spo spp spr sps spu sr- src sre srm sro srp srr srs ss- ssc sse ssm sso ssp ssr sss ssu suc sue sum suo sup sur sus suu ucc uce ucm uco ucp ucr ucs ucu uec uee uem uep uer ues um- umc ume umm umo ump umr ums umu uoc uoe uom uoo uop uor uos up- upc upe upm upo upp upr ups upu ur- urc ure urm uro urp urr urs uru usc use usm uso usp usr uss usu uuc uue uum uur uus uuu