dowds odwds dwods wdods owdds wodds dodws oddws ddows ddows oddws dodws dwdos wddos ddwos ddwos wddos dwdos owdds wodds odwds dowds wdods dwods dowsd odwsd dwosd wdosd owdsd wodsd doswd odswd dsowd sdowd osdwd sodwd dwsod wdsod dswod sdwod wsdod swdod owsdd wosdd oswdd sowdd wsodd swodd dodsw oddsw ddosw ddosw oddsw dodsw dosdw odsdw dsodw sdodw osddw soddw ddsow ddsow dsdow sddow dsdow sddow odsdw dosdw osddw soddw dsodw sdodw dwdso wddso ddwso ddwso wddso dwdso dwsdo wdsdo dswdo sdwdo wsddo swddo ddswo ddswo dsdwo sddwo dsdwo sddwo wdsdo dwsdo wsddo swddo dswdo sdwdo owdsd wodsd odwsd dowsd wdosd dwosd owsdd wosdd oswdd sowdd wsodd swodd odswd doswd osdwd sodwd dsowd sdowd wdsod dwsod wsdod swdod dswod sdwod
Note: these 'words' (valid or invalid) are all the permutations of the word dowds. These words are obtained by scrambling the letters in dowds.