bundt ubndt bnudt nbudt unbdt nubdt budnt ubdnt bdunt dbunt udbnt dubnt bndut nbdut bdnut dbnut ndbut dnbut undbt nudbt udnbt dunbt ndubt dnubt buntd ubntd bnutd nbutd unbtd nubtd butnd ubtnd btund tbund utbnd tubnd bntud nbtud btnud tbnud ntbud tnbud untbd nutbd utnbd tunbd ntubd tnubd budtn ubdtn bdutn dbutn udbtn dubtn butdn ubtdn btudn tbudn utbdn tubdn bdtun dbtun btdun tbdun dtbun tdbun udtbn dutbn utdbn tudbn dtubn tdubn bndtu nbdtu bdntu dbntu ndbtu dnbtu bntdu nbtdu btndu tbndu ntbdu tnbdu bdtnu dbtnu btdnu tbdnu dtbnu tdbnu ndtbu dntbu ntdbu tndbu dtnbu tdnbu undtb nudtb udntb duntb ndutb dnutb untdb nutdb utndb tundb ntudb tnudb udtnb dutnb utdnb tudnb dtunb tdunb ndtub dntub ntdub tndub dtnub tdnub
Note: these 'words' (valid or invalid) are all the permutations of the word bundt. These words are obtained by scrambling the letters in bundt.