unsoft nusoft usnoft sunoft nsuoft snuoft unosft nuosft uonsft ounsft nousft onusft usonft suonft uosnft ousnft sounft osunft nsouft snouft nosuft onsuft sonuft osnuft unsfot nusfot usnfot sunfot nsufot snufot unfsot nufsot ufnsot funsot nfusot fnusot usfnot sufnot ufsnot fusnot sfunot fsunot nsfuot snfuot nfsuot fnsuot sfnuot fsnuot unofst nuofst uonfst ounfst noufst onufst unfost nufost ufnost funost nfuost fnuost uofnst oufnst ufonst fuonst ofunst founst nofust onfust nfoust fnoust ofnust fonust usofnt suofnt uosfnt ousfnt soufnt osufnt usfont sufont ufsont fusont sfuont fsuont uofsnt oufsnt ufosnt fuosnt ofusnt fousnt sofunt osfunt sfount fsount ofsunt fosunt nsofut snofut nosfut onsfut sonfut osnfut nsfout snfout nfsout fnsout sfnout fsnout nofsut onfsut nfosut fnosut ofnsut fonsut sofnut osfnut sfonut fsonut ofsnut fosnut unsotf nusotf usnotf sunotf nsuotf snuotf unostf nuostf uonstf ounstf noustf onustf usontf suontf uosntf ousntf sountf osuntf nsoutf snoutf nosutf onsutf sonutf osnutf unstof nustof usntof suntof nsutof snutof untsof nutsof utnsof tunsof ntusof tnusof ustnof sutnof utsnof tusnof stunof tsunof nstuof sntuof ntsuof tnsuof stnuof tsnuof unotsf nuotsf uontsf ountsf noutsf onutsf untosf nutosf utnosf tunosf ntuosf tnuosf uotnsf outnsf utonsf tuonsf otunsf tounsf notusf ontusf ntousf tnousf otnusf tonusf usotnf suotnf uostnf oustnf soutnf osutnf ustonf sutonf utsonf tusonf stuonf tsuonf uotsnf outsnf utosnf tuosnf otusnf tousnf sotunf ostunf stounf tsounf otsunf tosunf nsotuf snotuf nostuf onstuf sontuf osntuf nstouf sntouf ntsouf tnsouf stnouf tsnouf notsuf ontsuf ntosuf tnosuf otnsuf tonsuf sotnuf ostnuf stonuf tsonuf otsnuf tosnuf unsfto nusfto usnfto sunfto nsufto snufto unfsto nufsto ufnsto funsto nfusto fnusto usfnto sufnto ufsnto fusnto sfunto fsunto nsfuto snfuto nfsuto fnsuto sfnuto fsnuto unstfo nustfo usntfo suntfo nsutfo snutfo untsfo nutsfo utnsfo tunsfo ntusfo tnusfo ustnfo sutnfo utsnfo tusnfo stunfo tsunfo nstufo sntufo ntsufo tnsufo stnufo tsnufo unftso nuftso ufntso funtso nfutso fnutso untfso nutfso utnfso tunfso ntufso tnufso uftnso futnso utfnso tufnso ftunso tfunso nftuso fntuso ntfuso tnfuso ftnuso tfnuso usftno suftno ufstno fustno sfutno fsutno ustfno sutfno utsfno tusfno stufno tsufno uftsno futsno utfsno tufsno ftusno tfusno sftuno fstuno stfuno tsfuno ftsuno tfsuno nsftuo snftuo nfstuo fnstuo sfntuo fsntuo nstfuo sntfuo ntsfuo tnsfuo stnfuo tsnfuo nftsuo fntsuo ntfsuo tnfsuo ftnsuo tfnsuo sftnuo fstnuo stfnuo tsfnuo ftsnuo tfsnuo unofts nuofts uonfts ounfts noufts onufts unfots nufots ufnots funots nfuots fnuots uofnts oufnts ufonts fuonts ofunts founts nofuts onfuts nfouts fnouts ofnuts fonuts unotfs nuotfs uontfs ountfs noutfs onutfs untofs nutofs utnofs tunofs ntuofs tnuofs uotnfs outnfs utonfs tuonfs otunfs tounfs notufs ontufs ntoufs tnoufs otnufs tonufs unftos nuftos ufntos funtos nfutos fnutos untfos nutfos utnfos tunfos ntufos tnufos uftnos futnos utfnos tufnos ftunos tfunos nftuos fntuos ntfuos tnfuos ftnuos tfnuos uoftns ouftns ufotns fuotns ofutns foutns uotfns outfns utofns tuofns otufns toufns uftons futons utfons tufons ftuons tfuons oftuns fotuns otfuns tofuns ftouns tfouns noftus onftus nfotus fnotus ofntus fontus notfus ontfus ntofus tnofus otnfus tonfus nftous fntous ntfous tnfous ftnous tfnous oftnus fotnus otfnus tofnus ftonus tfonus usoftn suoftn uosftn ousftn souftn osuftn usfotn sufotn ufsotn fusotn sfuotn fsuotn uofstn oufstn ufostn fuostn ofustn foustn sofutn osfutn sfoutn fsoutn ofsutn fosutn usotfn suotfn uostfn oustfn soutfn osutfn ustofn sutofn utsofn tusofn stuofn tsuofn uotsfn outsfn utosfn tuosfn otusfn tousfn sotufn ostufn stoufn tsoufn otsufn tosufn usfton sufton ufston fuston sfuton fsuton ustfon sutfon utsfon tusfon stufon tsufon uftson futson utfson tufson ftuson tfuson sftuon fstuon stfuon tsfuon ftsuon tfsuon uoftsn ouftsn ufotsn fuotsn ofutsn foutsn uotfsn outfsn utofsn tuofsn otufsn toufsn uftosn futosn utfosn tufosn ftuosn tfuosn oftusn fotusn otfusn tofusn ftousn tfousn softun osftun sfotun fsotun ofstun fostun sotfun ostfun stofun tsofun otsfun tosfun sftoun fstoun stfoun tsfoun ftsoun tfsoun oftsun fotsun otfsun tofsun ftosun tfosun nsoftu snoftu nosftu onsftu sonftu osnftu nsfotu snfotu nfsotu fnsotu sfnotu fsnotu nofstu onfstu nfostu fnostu ofnstu fonstu sofntu osfntu sfontu fsontu ofsntu fosntu nsotfu snotfu nostfu onstfu sontfu osntfu nstofu sntofu ntsofu tnsofu stnofu tsnofu notsfu ontsfu ntosfu tnosfu otnsfu tonsfu sotnfu ostnfu stonfu tsonfu otsnfu tosnfu nsftou snftou nfstou fnstou sfntou fsntou nstfou sntfou ntsfou tnsfou stnfou tsnfou nftsou fntsou ntfsou tnfsou ftnsou tfnsou sftnou fstnou stfnou tsfnou ftsnou tfsnou noftsu onftsu nfotsu fnotsu ofntsu fontsu notfsu ontfsu ntofsu tnofsu otnfsu tonfsu nftosu fntosu ntfosu tnfosu ftnosu tfnosu oftnsu fotnsu otfnsu tofnsu ftonsu tfonsu softnu osftnu sfotnu fsotnu ofstnu fostnu sotfnu ostfnu stofnu tsofnu otsfnu tosfnu sftonu fstonu stfonu tsfonu ftsonu tfsonu oftsnu fotsnu otfsnu tofsnu ftosnu tfosnu
Note: these 'words' (valid or invalid) are all the permutations of the word unsoft. These words are obtained by scrambling the letters in unsoft.