dwaum wdaum dawum adwum wadum awdum dwuam wduam duwam udwam wudam uwdam dauwm aduwm duawm udawm audwm uadwm waudm awudm wuadm uwadm auwdm uawdm dwamu wdamu dawmu adwmu wadmu awdmu dwmau wdmau dmwau mdwau wmdau mwdau damwu admwu dmawu mdawu amdwu madwu wamdu awmdu wmadu mwadu amwdu mawdu dwuma wduma duwma udwma wudma uwdma dwmua wdmua dmwua mdwua wmdua mwdua dumwa udmwa dmuwa mduwa umdwa mudwa wumda uwmda wmuda mwuda umwda muwda daumw adumw duamw udamw audmw uadmw damuw admuw dmauw mdauw amduw maduw dumaw udmaw dmuaw mduaw umdaw mudaw aumdw uamdw amudw maudw umadw muadw waumd awumd wuamd uwamd auwmd uawmd wamud awmud wmaud mwaud amwud mawud wumad uwmad wmuad mwuad umwad muwad aumwd uamwd amuwd mauwd umawd muawd
Note: these 'words' (valid or invalid) are all the permutations of the word dwaum. These words are obtained by scrambling the letters in dwaum.