numdah unmdah nmudah mnudah umndah mundah nudmah undmah ndumah dnumah udnmah dunmah nmduah mnduah ndmuah dnmuah mdnuah dmnuah umdnah mudnah udmnah dumnah mdunah dmunah numadh unmadh nmuadh mnuadh umnadh munadh nuamdh unamdh naumdh anumdh uanmdh aunmdh nmaudh mnaudh namudh anmudh manudh amnudh umandh muandh uamndh aumndh maundh amundh nudamh undamh nduamh dnuamh udnamh dunamh nuadmh unadmh naudmh anudmh uandmh aundmh ndaumh dnaumh nadumh andumh danumh adnumh udanmh duanmh uadnmh audnmh daunmh adunmh nmdauh mndauh ndmauh dnmauh mdnauh dmnauh nmaduh mnaduh namduh anmduh manduh amnduh ndamuh dnamuh nadmuh andmuh danmuh adnmuh mdanuh dmanuh madnuh amdnuh damnuh admnuh umdanh mudanh udmanh dumanh mduanh dmuanh umadnh muadnh uamdnh aumdnh maudnh amudnh udamnh duamnh uadmnh audmnh daumnh adumnh mdaunh dmaunh madunh amdunh damunh admunh numdha unmdha nmudha mnudha umndha mundha nudmha undmha ndumha dnumha udnmha dunmha nmduha mnduha ndmuha dnmuha mdnuha dmnuha umdnha mudnha udmnha dumnha mdunha dmunha numhda unmhda nmuhda mnuhda umnhda munhda nuhmda unhmda nhumda hnumda uhnmda hunmda nmhuda mnhuda nhmuda hnmuda mhnuda hmnuda umhnda muhnda uhmnda humnda mhunda hmunda nudhma undhma nduhma dnuhma udnhma dunhma nuhdma unhdma nhudma hnudma uhndma hundma ndhuma dnhuma nhduma hnduma dhnuma hdnuma udhnma duhnma uhdnma hudnma dhunma hdunma nmdhua mndhua ndmhua dnmhua mdnhua dmnhua nmhdua mnhdua nhmdua hnmdua mhndua hmndua ndhmua dnhmua nhdmua hndmua dhnmua hdnmua mdhnua dmhnua mhdnua hmdnua dhmnua hdmnua umdhna mudhna udmhna dumhna mduhna dmuhna umhdna muhdna uhmdna humdna mhudna hmudna udhmna duhmna uhdmna hudmna dhumna hdumna mdhuna dmhuna mhduna hmduna dhmuna hdmuna numahd unmahd nmuahd mnuahd umnahd munahd nuamhd unamhd naumhd anumhd uanmhd aunmhd nmauhd mnauhd namuhd anmuhd manuhd amnuhd umanhd muanhd uamnhd aumnhd maunhd amunhd numhad unmhad nmuhad mnuhad umnhad munhad nuhmad unhmad nhumad hnumad uhnmad hunmad nmhuad mnhuad nhmuad hnmuad mhnuad hmnuad umhnad muhnad uhmnad humnad mhunad hmunad nuahmd unahmd nauhmd anuhmd uanhmd aunhmd nuhamd unhamd nhuamd hnuamd uhnamd hunamd nahumd anhumd nhaumd hnaumd ahnumd hanumd uahnmd auhnmd uhanmd huanmd ahunmd haunmd nmahud mnahud namhud anmhud manhud amnhud nmhaud mnhaud nhmaud hnmaud mhnaud hmnaud nahmud anhmud nhamud hnamud ahnmud hanmud mahnud amhnud mhanud hmanud ahmnud hamnud umahnd muahnd uamhnd aumhnd mauhnd amuhnd umhand muhand uhmand humand mhuand hmuand uahmnd auhmnd uhamnd huamnd ahumnd haumnd mahund amhund mhaund hmaund ahmund hamund nudahm undahm nduahm dnuahm udnahm dunahm nuadhm unadhm naudhm anudhm uandhm aundhm ndauhm dnauhm naduhm anduhm danuhm adnuhm udanhm duanhm uadnhm audnhm daunhm adunhm nudham undham nduham dnuham udnham dunham nuhdam unhdam nhudam hnudam uhndam hundam ndhuam dnhuam nhduam hnduam dhnuam hdnuam udhnam duhnam uhdnam hudnam dhunam hdunam nuahdm unahdm nauhdm anuhdm uanhdm aunhdm nuhadm unhadm nhuadm hnuadm uhnadm hunadm nahudm anhudm nhaudm hnaudm ahnudm hanudm uahndm auhndm uhandm huandm ahundm haundm ndahum dnahum nadhum andhum danhum adnhum ndhaum dnhaum nhdaum hndaum dhnaum hdnaum nahdum anhdum nhadum hnadum ahndum handum dahnum adhnum dhanum hdanum ahdnum hadnum udahnm duahnm uadhnm audhnm dauhnm aduhnm udhanm duhanm uhdanm hudanm dhuanm hduanm uahdnm auhdnm uhadnm huadnm ahudnm haudnm dahunm adhunm dhaunm hdaunm ahdunm hadunm nmdahu mndahu ndmahu dnmahu mdnahu dmnahu nmadhu mnadhu namdhu anmdhu mandhu amndhu ndamhu dnamhu nadmhu andmhu danmhu adnmhu mdanhu dmanhu madnhu amdnhu damnhu admnhu nmdhau mndhau ndmhau dnmhau mdnhau dmnhau nmhdau mnhdau nhmdau hnmdau mhndau hmndau ndhmau dnhmau nhdmau hndmau dhnmau hdnmau mdhnau dmhnau mhdnau hmdnau dhmnau hdmnau nmahdu mnahdu namhdu anmhdu manhdu amnhdu nmhadu mnhadu nhmadu hnmadu mhnadu hmnadu nahmdu anhmdu nhamdu hnamdu ahnmdu hanmdu mahndu amhndu mhandu hmandu ahmndu hamndu ndahmu dnahmu nadhmu andhmu danhmu adnhmu ndhamu dnhamu nhdamu hndamu dhnamu hdnamu nahdmu anhdmu nhadmu hnadmu ahndmu handmu dahnmu adhnmu dhanmu hdanmu ahdnmu hadnmu mdahnu dmahnu madhnu amdhnu damhnu admhnu mdhanu dmhanu mhdanu hmdanu dhmanu hdmanu mahdnu amhdnu mhadnu hmadnu ahmdnu hamdnu dahmnu adhmnu dhamnu hdamnu ahdmnu hadmnu umdahn mudahn udmahn dumahn mduahn dmuahn umadhn muadhn uamdhn aumdhn maudhn amudhn udamhn duamhn uadmhn audmhn daumhn adumhn mdauhn dmauhn maduhn amduhn damuhn admuhn umdhan mudhan udmhan dumhan mduhan dmuhan umhdan muhdan uhmdan humdan mhudan hmudan udhman duhman uhdman hudman dhuman hduman mdhuan dmhuan mhduan hmduan dhmuan hdmuan umahdn muahdn uamhdn aumhdn mauhdn amuhdn umhadn muhadn uhmadn humadn mhuadn hmuadn uahmdn auhmdn uhamdn huamdn ahumdn haumdn mahudn amhudn mhaudn hmaudn ahmudn hamudn udahmn duahmn uadhmn audhmn dauhmn aduhmn udhamn duhamn uhdamn hudamn dhuamn hduamn uahdmn auhdmn uhadmn huadmn ahudmn haudmn dahumn adhumn dhaumn hdaumn ahdumn hadumn mdahun dmahun madhun amdhun damhun admhun mdhaun dmhaun mhdaun hmdaun dhmaun hdmaun mahdun amhdun mhadun hmadun ahmdun hamdun dahmun adhmun dhamun hdamun ahdmun hadmun
Note: these 'words' (valid or invalid) are all the permutations of the word numdah. These words are obtained by scrambling the letters in numdah.