undams nudams udnams dunams nduams dnuams unadms nuadms uandms aundms naudms anudms udanms duanms uadnms audnms daunms adunms ndaums dnaums nadums andums danums adnums undmas nudmas udnmas dunmas ndumas dnumas unmdas numdas umndas mundas nmudas mnudas udmnas dumnas umdnas mudnas dmunas mdunas ndmuas dnmuas nmduas mnduas dmnuas mdnuas unamds nuamds uanmds aunmds naumds anumds unmads numads umnads munads nmuads mnuads uamnds aumnds umands muands amunds maunds namuds anmuds nmauds mnauds amnuds manuds udamns duamns uadmns audmns daumns adumns udmans dumans umdans mudans dmuans mduans uamdns aumdns umadns muadns amudns maudns damuns admuns dmauns mdauns amduns maduns ndamus dnamus nadmus andmus danmus adnmus ndmaus dnmaus nmdaus mndaus dmnaus mdnaus namdus anmdus nmadus mnadus amndus mandus damnus admnus dmanus mdanus amdnus madnus undasm nudasm udnasm dunasm nduasm dnuasm unadsm nuadsm uandsm aundsm naudsm anudsm udansm duansm uadnsm audnsm daunsm adunsm ndausm dnausm nadusm andusm danusm adnusm undsam nudsam udnsam dunsam ndusam dnusam unsdam nusdam usndam sundam nsudam snudam udsnam dusnam usdnam sudnam dsunam sdunam ndsuam dnsuam nsduam snduam dsnuam sdnuam unasdm nuasdm uansdm aunsdm nausdm anusdm unsadm nusadm usnadm sunadm nsuadm snuadm uasndm ausndm usandm suandm asundm saundm nasudm ansudm nsaudm snaudm asnudm sanudm udasnm duasnm uadsnm audsnm dausnm adusnm udsanm dusanm usdanm sudanm dsuanm sduanm uasdnm ausdnm usadnm suadnm asudnm saudnm dasunm adsunm dsaunm sdaunm asdunm sadunm ndasum dnasum nadsum andsum dansum adnsum ndsaum dnsaum nsdaum sndaum dsnaum sdnaum nasdum ansdum nsadum snadum asndum sandum dasnum adsnum dsanum sdanum asdnum sadnum undmsa nudmsa udnmsa dunmsa ndumsa dnumsa unmdsa numdsa umndsa mundsa nmudsa mnudsa udmnsa dumnsa umdnsa mudnsa dmunsa mdunsa ndmusa dnmusa nmdusa mndusa dmnusa mdnusa undsma nudsma udnsma dunsma ndusma dnusma unsdma nusdma usndma sundma nsudma snudma udsnma dusnma usdnma sudnma dsunma sdunma ndsuma dnsuma nsduma snduma dsnuma sdnuma unmsda numsda umnsda munsda nmusda mnusda unsmda nusmda usnmda sunmda nsumda snumda umsnda musnda usmnda sumnda msunda smunda nmsuda mnsuda nsmuda snmuda msnuda smnuda udmsna dumsna umdsna mudsna dmusna mdusna udsmna dusmna usdmna sudmna dsumna sdumna umsdna musdna usmdna sumdna msudna smudna dmsuna mdsuna dsmuna sdmuna msduna smduna ndmsua dnmsua nmdsua mndsua dmnsua mdnsua ndsmua dnsmua nsdmua sndmua dsnmua sdnmua nmsdua mnsdua nsmdua snmdua msndua smndua dmsnua mdsnua dsmnua sdmnua msdnua smdnua unamsd nuamsd uanmsd aunmsd naumsd anumsd unmasd numasd umnasd munasd nmuasd mnuasd uamnsd aumnsd umansd muansd amunsd maunsd namusd anmusd nmausd mnausd amnusd manusd unasmd nuasmd uansmd aunsmd nausmd anusmd unsamd nusamd usnamd sunamd nsuamd snuamd uasnmd ausnmd usanmd suanmd asunmd saunmd nasumd ansumd nsaumd snaumd asnumd sanumd unmsad numsad umnsad munsad nmusad mnusad unsmad nusmad usnmad sunmad nsumad snumad umsnad musnad usmnad sumnad msunad smunad nmsuad mnsuad nsmuad snmuad msnuad smnuad uamsnd aumsnd umasnd muasnd amusnd mausnd uasmnd ausmnd usamnd suamnd asumnd saumnd umsand musand usmand sumand msuand smuand amsund masund asmund samund msaund smaund namsud anmsud nmasud mnasud amnsud mansud nasmud ansmud nsamud snamud asnmud sanmud nmsaud mnsaud nsmaud snmaud msnaud smnaud amsnud masnud asmnud samnud msanud smanud udamsn duamsn uadmsn audmsn daumsn adumsn udmasn dumasn umdasn mudasn dmuasn mduasn uamdsn aumdsn umadsn muadsn amudsn maudsn damusn admusn dmausn mdausn amdusn madusn udasmn duasmn uadsmn audsmn dausmn adusmn udsamn dusamn usdamn sudamn dsuamn sduamn uasdmn ausdmn usadmn suadmn asudmn saudmn dasumn adsumn dsaumn sdaumn asdumn sadumn udmsan dumsan umdsan mudsan dmusan mdusan udsman dusman usdman sudman dsuman sduman umsdan musdan usmdan sumdan msudan smudan dmsuan mdsuan dsmuan sdmuan msduan smduan uamsdn aumsdn umasdn muasdn amusdn mausdn uasmdn ausmdn usamdn suamdn asumdn saumdn umsadn musadn usmadn sumadn msuadn smuadn amsudn masudn asmudn samudn msaudn smaudn damsun admsun dmasun mdasun amdsun madsun dasmun adsmun dsamun sdamun asdmun sadmun dmsaun mdsaun dsmaun sdmaun msdaun smdaun amsdun masdun asmdun samdun msadun smadun ndamsu dnamsu nadmsu andmsu danmsu adnmsu ndmasu dnmasu nmdasu mndasu dmnasu mdnasu namdsu anmdsu nmadsu mnadsu amndsu mandsu damnsu admnsu dmansu mdansu amdnsu madnsu ndasmu dnasmu nadsmu andsmu dansmu adnsmu ndsamu dnsamu nsdamu sndamu dsnamu sdnamu nasdmu ansdmu nsadmu snadmu asndmu sandmu dasnmu adsnmu dsanmu sdanmu asdnmu sadnmu ndmsau dnmsau nmdsau mndsau dmnsau mdnsau ndsmau dnsmau nsdmau sndmau dsnmau sdnmau nmsdau mnsdau nsmdau snmdau msndau smndau dmsnau mdsnau dsmnau sdmnau msdnau smdnau namsdu anmsdu nmasdu mnasdu amnsdu mansdu nasmdu ansmdu nsamdu snamdu asnmdu sanmdu nmsadu mnsadu nsmadu snmadu msnadu smnadu amsndu masndu asmndu samndu msandu smandu damsnu admsnu dmasnu mdasnu amdsnu madsnu dasmnu adsmnu dsamnu sdamnu asdmnu sadmnu dmsanu mdsanu dsmanu sdmanu msdanu smdanu amsdnu masdnu asmdnu samdnu msadnu smadnu
Note: these 'words' (valid or invalid) are all the permutations of the word undams. These words are obtained by scrambling the letters in undams.