douma oduma duoma udoma oudma uodma domua odmua dmoua mdoua omdua modua dumoa udmoa dmuoa mduoa umdoa mudoa oumda uomda omuda mouda umoda muoda douam oduam duoam udoam oudam uodam doaum odaum daoum adoum oadum aodum duaom udaom dauom aduom uadom audom ouadm uoadm oaudm aoudm uaodm auodm domau odmau dmoau mdoau omdau modau doamu odamu daomu adomu oadmu aodmu dmaou mdaou damou admou madou amdou omadu moadu oamdu aomdu maodu amodu dumao udmao dmuao mduao umdao mudao duamo udamo daumo adumo uadmo audmo dmauo mdauo damuo admuo maduo amduo umado muado uamdo aumdo maudo amudo oumad uomad omuad mouad umoad muoad ouamd uoamd oaumd aoumd uaomd auomd omaud moaud oamud aomud maoud amoud umaod muaod uamod aumod mauod amuod
Note: these 'words' (valid or invalid) are all the permutations of the word douma. These words are obtained by scrambling the letters in douma.