shaduf hsaduf sahduf ashduf hasduf ahsduf shdauf hsdauf sdhauf dshauf hdsauf dhsauf sadhuf asdhuf sdahuf dsahuf adshuf dashuf hadsuf ahdsuf hdasuf dhasuf adhsuf dahsuf shaudf hsaudf sahudf ashudf hasudf ahsudf shuadf hsuadf suhadf ushadf husadf uhsadf sauhdf asuhdf suahdf usahdf aushdf uashdf hausdf ahusdf huasdf uhasdf auhsdf uahsdf shduaf hsduaf sdhuaf dshuaf hdsuaf dhsuaf shudaf hsudaf suhdaf ushdaf husdaf uhsdaf sduhaf dsuhaf sudhaf usdhaf dushaf udshaf hdusaf dhusaf hudsaf uhdsaf duhsaf udhsaf saduhf asduhf sdauhf dsauhf adsuhf dasuhf saudhf asudhf suadhf usadhf ausdhf uasdhf sduahf dsuahf sudahf usdahf dusahf udsahf adushf daushf audshf uadshf duashf udashf hadusf ahdusf hdausf dhausf adhusf dahusf haudsf ahudsf huadsf uhadsf auhdsf uahdsf hduasf dhuasf hudasf uhdasf duhasf udhasf aduhsf dauhsf audhsf uadhsf duahsf udahsf shadfu hsadfu sahdfu ashdfu hasdfu ahsdfu shdafu hsdafu sdhafu dshafu hdsafu dhsafu sadhfu asdhfu sdahfu dsahfu adshfu dashfu hadsfu ahdsfu hdasfu dhasfu adhsfu dahsfu shafdu hsafdu sahfdu ashfdu hasfdu ahsfdu shfadu hsfadu sfhadu fshadu hfsadu fhsadu safhdu asfhdu sfahdu fsahdu afshdu fashdu hafsdu ahfsdu hfasdu fhasdu afhsdu fahsdu shdfau hsdfau sdhfau dshfau hdsfau dhsfau shfdau hsfdau sfhdau fshdau hfsdau fhsdau sdfhau dsfhau sfdhau fsdhau dfshau fdshau hdfsau dhfsau hfdsau fhdsau dfhsau fdhsau sadfhu asdfhu sdafhu dsafhu adsfhu dasfhu safdhu asfdhu sfadhu fsadhu afsdhu fasdhu sdfahu dsfahu sfdahu fsdahu dfsahu fdsahu adfshu dafshu afdshu fadshu dfashu fdashu hadfsu ahdfsu hdafsu dhafsu adhfsu dahfsu hafdsu ahfdsu hfadsu fhadsu afhdsu fahdsu hdfasu dhfasu hfdasu fhdasu dfhasu fdhasu adfhsu dafhsu afdhsu fadhsu dfahsu fdahsu shaufd hsaufd sahufd ashufd hasufd ahsufd shuafd hsuafd suhafd ushafd husafd uhsafd sauhfd asuhfd suahfd usahfd aushfd uashfd hausfd ahusfd huasfd uhasfd auhsfd uahsfd shafud hsafud sahfud ashfud hasfud ahsfud shfaud hsfaud sfhaud fshaud hfsaud fhsaud safhud asfhud sfahud fsahud afshud fashud hafsud ahfsud hfasud fhasud afhsud fahsud shufad hsufad suhfad ushfad husfad uhsfad shfuad hsfuad sfhuad fshuad hfsuad fhsuad sufhad usfhad sfuhad fsuhad ufshad fushad hufsad uhfsad hfusad fhusad ufhsad fuhsad saufhd asufhd suafhd usafhd ausfhd uasfhd safuhd asfuhd sfauhd fsauhd afsuhd fasuhd sufahd usfahd sfuahd fsuahd ufsahd fusahd aufshd uafshd afushd faushd ufashd fuashd haufsd ahufsd huafsd uhafsd auhfsd uahfsd hafusd ahfusd hfausd fhausd afhusd fahusd hufasd uhfasd hfuasd fhuasd ufhasd fuhasd aufhsd uafhsd afuhsd fauhsd ufahsd fuahsd shdufa hsdufa sdhufa dshufa hdsufa dhsufa shudfa hsudfa suhdfa ushdfa husdfa uhsdfa sduhfa dsuhfa sudhfa usdhfa dushfa udshfa hdusfa dhusfa hudsfa uhdsfa duhsfa udhsfa shdfua hsdfua sdhfua dshfua hdsfua dhsfua shfdua hsfdua sfhdua fshdua hfsdua fhsdua sdfhua dsfhua sfdhua fsdhua dfshua fdshua hdfsua dhfsua hfdsua fhdsua dfhsua fdhsua shufda hsufda suhfda ushfda husfda uhsfda shfuda hsfuda sfhuda fshuda hfsuda fhsuda sufhda usfhda sfuhda fsuhda ufshda fushda hufsda uhfsda hfusda fhusda ufhsda fuhsda sdufha dsufha sudfha usdfha dusfha udsfha sdfuha dsfuha sfduha fsduha dfsuha fdsuha sufdha usfdha sfudha fsudha ufsdha fusdha dufsha udfsha dfusha fdusha ufdsha fudsha hdufsa dhufsa hudfsa uhdfsa duhfsa udhfsa hdfusa dhfusa hfdusa fhdusa dfhusa fdhusa hufdsa uhfdsa hfudsa fhudsa ufhdsa fuhdsa dufhsa udfhsa dfuhsa fduhsa ufdhsa fudhsa sadufh asdufh sdaufh dsaufh adsufh dasufh saudfh asudfh suadfh usadfh ausdfh uasdfh sduafh dsuafh sudafh usdafh dusafh udsafh adusfh dausfh audsfh uadsfh duasfh udasfh sadfuh asdfuh sdafuh dsafuh adsfuh dasfuh safduh asfduh sfaduh fsaduh afsduh fasduh sdfauh dsfauh sfdauh fsdauh dfsauh fdsauh adfsuh dafsuh afdsuh fadsuh dfasuh fdasuh saufdh asufdh suafdh usafdh ausfdh uasfdh safudh asfudh sfaudh fsaudh afsudh fasudh sufadh usfadh sfuadh fsuadh ufsadh fusadh aufsdh uafsdh afusdh fausdh ufasdh fuasdh sdufah dsufah sudfah usdfah dusfah udsfah sdfuah dsfuah sfduah fsduah dfsuah fdsuah sufdah usfdah sfudah fsudah ufsdah fusdah dufsah udfsah dfusah fdusah ufdsah fudsah adufsh daufsh audfsh uadfsh duafsh udafsh adfush dafush afdush fadush dfaush fdaush aufdsh uafdsh afudsh faudsh ufadsh fuadsh dufash udfash dfuash fduash ufdash fudash hadufs ahdufs hdaufs dhaufs adhufs dahufs haudfs ahudfs huadfs uhadfs auhdfs uahdfs hduafs dhuafs hudafs uhdafs duhafs udhafs aduhfs dauhfs audhfs uadhfs duahfs udahfs hadfus ahdfus hdafus dhafus adhfus dahfus hafdus ahfdus hfadus fhadus afhdus fahdus hdfaus dhfaus hfdaus fhdaus dfhaus fdhaus adfhus dafhus afdhus fadhus dfahus fdahus haufds ahufds huafds uhafds auhfds uahfds hafuds ahfuds hfauds fhauds afhuds fahuds hufads uhfads hfuads fhuads ufhads fuhads aufhds uafhds afuhds fauhds ufahds fuahds hdufas dhufas hudfas uhdfas duhfas udhfas hdfuas dhfuas hfduas fhduas dfhuas fdhuas hufdas uhfdas hfudas fhudas ufhdas fuhdas dufhas udfhas dfuhas fduhas ufdhas fudhas adufhs daufhs audfhs uadfhs duafhs udafhs adfuhs dafuhs afduhs faduhs dfauhs fdauhs aufdhs uafdhs afudhs faudhs ufadhs fuadhs dufahs udfahs dfuahs fduahs ufdahs fudahs
Note: these 'words' (valid or invalid) are all the permutations of the word shaduf. These words are obtained by scrambling the letters in shaduf.