untold nutold utnold tunold ntuold tnuold unotld nuotld uontld ountld noutld onutld utonld tuonld uotnld outnld tounld otunld ntould tnould notuld ontuld tonuld otnuld untlod nutlod utnlod tunlod ntulod tnulod unltod nultod ulntod luntod nlutod lnutod utlnod tulnod ultnod lutnod tlunod ltunod ntluod tnluod nltuod lntuod tlnuod ltnuod unoltd nuoltd uonltd ounltd noultd onultd unlotd nulotd ulnotd lunotd nluotd lnuotd uolntd oulntd ulontd luontd oluntd lountd nolutd onlutd nloutd lnoutd olnutd lonutd utolnd tuolnd uotlnd outlnd toulnd otulnd utlond tulond ultond lutond tluond ltuond uoltnd oultnd ulotnd luotnd olutnd loutnd tolund otlund tlound ltound oltund lotund ntolud tnolud notlud ontlud tonlud otnlud ntloud tnloud nltoud lntoud tlnoud ltnoud noltud onltud nlotud lnotud olntud lontud tolnud otlnud tlonud ltonud oltnud lotnud untodl nutodl utnodl tunodl ntuodl tnuodl unotdl nuotdl uontdl ountdl noutdl onutdl utondl tuondl uotndl outndl toundl otundl ntoudl tnoudl notudl ontudl tonudl otnudl untdol nutdol utndol tundol ntudol tnudol undtol nudtol udntol duntol ndutol dnutol utdnol tudnol udtnol dutnol tdunol dtunol ntduol tnduol ndtuol dntuol tdnuol dtnuol unodtl nuodtl uondtl oundtl noudtl onudtl undotl nudotl udnotl dunotl nduotl dnuotl uodntl oudntl udontl duontl oduntl dountl nodutl ondutl ndoutl dnoutl odnutl donutl utodnl tuodnl uotdnl outdnl toudnl otudnl utdonl tudonl udtonl dutonl tduonl dtuonl uodtnl oudtnl udotnl duotnl odutnl doutnl todunl otdunl tdounl dtounl odtunl dotunl ntodul tnodul notdul ontdul tondul otndul ntdoul tndoul ndtoul dntoul tdnoul dtnoul nodtul ondtul ndotul dnotul odntul dontul todnul otdnul tdonul dtonul odtnul dotnul untldo nutldo utnldo tunldo ntuldo tnuldo unltdo nultdo ulntdo luntdo nlutdo lnutdo utlndo tulndo ultndo lutndo tlundo ltundo ntludo tnludo nltudo lntudo tlnudo ltnudo untdlo nutdlo utndlo tundlo ntudlo tnudlo undtlo nudtlo udntlo duntlo ndutlo dnutlo utdnlo tudnlo udtnlo dutnlo tdunlo dtunlo ntdulo tndulo ndtulo dntulo tdnulo dtnulo unldto nuldto ulndto lundto nludto lnudto undlto nudlto udnlto dunlto ndulto dnulto uldnto ludnto udlnto dulnto ldunto dlunto nlduto lnduto ndluto dnluto ldnuto dlnuto utldno tuldno ultdno lutdno tludno ltudno utdlno tudlno udtlno dutlno tdulno dtulno uldtno ludtno udltno dultno ldutno dlutno tlduno ltduno tdluno dtluno ldtuno dltuno ntlduo tnlduo nltduo lntduo tlnduo ltnduo ntdluo tndluo ndtluo dntluo tdnluo dtnluo nldtuo lndtuo ndltuo dnltuo ldntuo dlntuo tldnuo ltdnuo tdlnuo dtlnuo ldtnuo dltnuo unoldt nuoldt uonldt ounldt nouldt onuldt unlodt nulodt ulnodt lunodt nluodt lnuodt uolndt oulndt ulondt luondt olundt loundt noludt onludt nloudt lnoudt olnudt lonudt unodlt nuodlt uondlt oundlt noudlt onudlt undolt nudolt udnolt dunolt nduolt dnuolt uodnlt oudnlt udonlt duonlt odunlt dounlt nodult ondult ndoult dnoult odnult donult unldot nuldot ulndot lundot nludot lnudot undlot nudlot udnlot dunlot ndulot dnulot uldnot ludnot udlnot dulnot ldunot dlunot nlduot lnduot ndluot dnluot ldnuot dlnuot uoldnt ouldnt ulodnt luodnt oludnt loudnt uodlnt oudlnt udolnt duolnt odulnt doulnt uldont ludont udlont dulont lduont dluont oldunt lodunt odlunt dolunt ldount dlount noldut onldut nlodut lnodut olndut londut nodlut ondlut ndolut dnolut odnlut donlut nldout lndout ndlout dnlout ldnout dlnout oldnut lodnut odlnut dolnut ldonut dlonut utoldn tuoldn uotldn outldn touldn otuldn utlodn tulodn ultodn lutodn tluodn ltuodn uoltdn oultdn ulotdn luotdn olutdn loutdn toludn otludn tloudn ltoudn oltudn lotudn utodln tuodln uotdln outdln toudln otudln utdoln tudoln udtoln dutoln tduoln dtuoln uodtln oudtln udotln duotln odutln doutln toduln otduln tdouln dtouln odtuln dotuln utldon tuldon ultdon lutdon tludon ltudon utdlon tudlon udtlon dutlon tdulon dtulon uldton ludton udlton dulton lduton dluton tlduon ltduon tdluon dtluon ldtuon dltuon uoldtn ouldtn ulodtn luodtn oludtn loudtn uodltn oudltn udoltn duoltn odultn doultn uldotn ludotn udlotn dulotn lduotn dluotn oldutn lodutn odlutn dolutn ldoutn dloutn toldun otldun tlodun ltodun oltdun lotdun todlun otdlun tdolun dtolun odtlun dotlun tldoun ltdoun tdloun dtloun ldtoun dltoun oldtun lodtun odltun doltun ldotun dlotun ntoldu tnoldu notldu ontldu tonldu otnldu ntlodu tnlodu nltodu lntodu tlnodu ltnodu noltdu onltdu nlotdu lnotdu olntdu lontdu tolndu otlndu tlondu ltondu oltndu lotndu ntodlu tnodlu notdlu ontdlu tondlu otndlu ntdolu tndolu ndtolu dntolu tdnolu dtnolu nodtlu ondtlu ndotlu dnotlu odntlu dontlu todnlu otdnlu tdonlu dtonlu odtnlu dotnlu ntldou tnldou nltdou lntdou tlndou ltndou ntdlou tndlou ndtlou dntlou tdnlou dtnlou nldtou lndtou ndltou dnltou ldntou dlntou tldnou ltdnou tdlnou dtlnou ldtnou dltnou noldtu onldtu nlodtu lnodtu olndtu londtu nodltu ondltu ndoltu dnoltu odnltu donltu nldotu lndotu ndlotu dnlotu ldnotu dlnotu oldntu lodntu odlntu dolntu ldontu dlontu toldnu otldnu tlodnu ltodnu oltdnu lotdnu todlnu otdlnu tdolnu dtolnu odtlnu dotlnu tldonu ltdonu tdlonu dtlonu ldtonu dltonu oldtnu lodtnu odltnu doltnu ldotnu dlotnu
Note: these 'words' (valid or invalid) are all the permutations of the word untold. These words are obtained by scrambling the letters in untold.