c-- ccc ccd cce ccm cco ccs ccu cdc cdd cde cdm cdo cds cdu ce- cec ced cee cem ceo ces ceu cmc cmd cme cmm cmo cms cmu co- coc cod coe com coo cos cou csc csd cse csm cso css csu cuc cud cue cum cuo cus cuu dcc dcd dce dcm dco dcs dcu ddc ddd dde ddm ddo dds ddu de- dec ded dee dem deo des deu dmc dmd dme dmm dmo dms dmu doc dod doe dom doo dos dou dsc dsd dse dsm dso dss dsu duc dud due dum duo dus ec- ecc ecd ece ecm eco ecs ecu ed- edc edd ede edm edo eds edu eec eed eee eem eeo ees em- emc emd eme emm emo ems emu eo- eoc eod eoe eom eoo eos eou es- esc esd ese esm eso ess esu eu- euc eud eue eus m-o mc- mcc mcd mce mcm mco mcs mcu mdc mdd mde mdm mdo mds mdu mec med mee mem meo mes meu mmc mmd mme mmm mmo mms mmu moc mod moe mom moo mos mou msc msd mse msm mso mss msu muc mud mue mum mus muu oc- occ ocd ocm oco ocs ocu odc odd ode odm odo ods odu oec oed oee oem oeo oes om- omc omd ome omm omo oms omu oo- ooc ood oom ooo oos os- osc osd ose osm oso oss osu ou- ouc oud oue oum ouo ous scc scd sce scm sco scs scu sdc sdd sde sdm sdo sds sdu se- sec sed see sem seo ses seu smc smd sme smm smo sms smu soc sod soe som soo sos sou ss- ssc ssd sse ssm sso sss ssu suc sud sue sum suo sus suu ucc ucd uce ucm uco ucs ucu udc udd ude udm udo uds udu uec ued uee uem ues um- umc umd ume umm umo ums umu uoc uod uoe uom uoo uos usc usd use usm uso uss usu uuc uue uum uus uuu