lauds aluds luads ulads aulds ualds ladus aldus ldaus dlaus adlus dalus ludas uldas lduas dluas udlas dulas audls uadls aduls dauls udals duals lausd alusd luasd ulasd aulsd ualsd lasud alsud lsaud slaud aslud salud lusad ulsad lsuad sluad uslad sulad ausld uasld asuld sauld usald suald ladsu aldsu ldasu dlasu adlsu dalsu lasdu alsdu lsadu sladu asldu saldu ldsau dlsau lsdau sldau dslau sdlau adslu daslu asdlu sadlu dsalu sdalu ludsa uldsa ldusa dlusa udlsa dulsa lusda ulsda lsuda sluda uslda sulda ldsua dlsua lsdua sldua dslua sdlua udsla dusla usdla sudla dsula sdula audsl uadsl adusl dausl udasl duasl ausdl uasdl asudl saudl usadl suadl adsul dasul asdul sadul dsaul sdaul udsal dusal usdal sudal dsual sdual
Note: these 'words' (valid or invalid) are all the permutations of the word lauds. These words are obtained by scrambling the letters in lauds.