nobbut onbbut nbobut bnobut obnbut bonbut nobbut onbbut nbobut bnobut obnbut bonbut nbbout bnbout nbbout bnbout bbnout bbnout obbnut bobnut obbnut bobnut bbonut bbonut nobubt onbubt nboubt bnoubt obnubt bonubt noubbt onubbt nuobbt unobbt ounbbt uonbbt nbuobt bnuobt nubobt unbobt bunobt ubnobt obunbt bounbt oubnbt uobnbt buonbt ubonbt nobubt onbubt nboubt bnoubt obnubt bonubt noubbt onubbt nuobbt unobbt ounbbt uonbbt nbuobt bnuobt nubobt unbobt bunobt ubnobt obunbt bounbt oubnbt uobnbt buonbt ubonbt nbbuot bnbuot nbbuot bnbuot bbnuot bbnuot nbubot bnubot nubbot unbbot bunbot ubnbot nbubot bnubot nubbot unbbot bunbot ubnbot bbunot bbunot bubnot ubbnot bubnot ubbnot obbunt bobunt obbunt bobunt bbount bbount obubnt boubnt oubbnt uobbnt buobnt ubobnt obubnt boubnt oubbnt uobbnt buobnt ubobnt bbuont bbuont bubont ubbont bubont ubbont nobbtu onbbtu nbobtu bnobtu obnbtu bonbtu nobbtu onbbtu nbobtu bnobtu obnbtu bonbtu nbbotu bnbotu nbbotu bnbotu bbnotu bbnotu obbntu bobntu obbntu bobntu bbontu bbontu nobtbu onbtbu nbotbu bnotbu obntbu bontbu notbbu ontbbu ntobbu tnobbu otnbbu tonbbu nbtobu bntobu ntbobu tnbobu btnobu tbnobu obtnbu botnbu otbnbu tobnbu btonbu tbonbu nobtbu onbtbu nbotbu bnotbu obntbu bontbu notbbu ontbbu ntobbu tnobbu otnbbu tonbbu nbtobu bntobu ntbobu tnbobu btnobu tbnobu obtnbu botnbu otbnbu tobnbu btonbu tbonbu nbbtou bnbtou nbbtou bnbtou bbntou bbntou nbtbou bntbou ntbbou tnbbou btnbou tbnbou nbtbou bntbou ntbbou tnbbou btnbou tbnbou bbtnou bbtnou btbnou tbbnou btbnou tbbnou obbtnu bobtnu obbtnu bobtnu bbotnu bbotnu obtbnu botbnu otbbnu tobbnu btobnu tbobnu obtbnu botbnu otbbnu tobbnu btobnu tbobnu bbtonu bbtonu btbonu tbbonu btbonu tbbonu nobutb onbutb nboutb bnoutb obnutb bonutb noubtb onubtb nuobtb unobtb ounbtb uonbtb nbuotb bnuotb nubotb unbotb bunotb ubnotb obuntb bountb oubntb uobntb buontb ubontb nobtub onbtub nbotub bnotub obntub bontub notbub ontbub ntobub tnobub otnbub tonbub nbtoub bntoub ntboub tnboub btnoub tbnoub obtnub botnub otbnub tobnub btonub tbonub noutbb onutbb nuotbb unotbb ountbb uontbb notubb ontubb ntoubb tnoubb otnubb tonubb nutobb untobb ntuobb tnuobb utnobb tunobb outnbb uotnbb otunbb tounbb utonbb tuonbb nbutob bnutob nubtob unbtob buntob ubntob nbtuob bntuob ntbuob tnbuob btnuob tbnuob nutbob untbob ntubob tnubob utnbob tunbob butnob ubtnob btunob tbunob utbnob tubnob obutnb boutnb oubtnb uobtnb buotnb ubotnb obtunb botunb otbunb tobunb btounb tbounb outbnb uotbnb otubnb toubnb utobnb tuobnb butonb ubtonb btuonb tbuonb utbonb tubonb nobutb onbutb nboutb bnoutb obnutb bonutb noubtb onubtb nuobtb unobtb ounbtb uonbtb nbuotb bnuotb nubotb unbotb bunotb ubnotb obuntb bountb oubntb uobntb buontb ubontb nobtub onbtub nbotub bnotub obntub bontub notbub ontbub ntobub tnobub otnbub tonbub nbtoub bntoub ntboub tnboub btnoub tbnoub obtnub botnub otbnub tobnub btonub tbonub noutbb onutbb nuotbb unotbb ountbb uontbb notubb ontubb ntoubb tnoubb otnubb tonubb nutobb untobb ntuobb tnuobb utnobb tunobb outnbb uotnbb otunbb tounbb utonbb tuonbb nbutob bnutob nubtob unbtob buntob ubntob nbtuob bntuob ntbuob tnbuob btnuob tbnuob nutbob untbob ntubob tnubob utnbob tunbob butnob ubtnob btunob tbunob utbnob tubnob obutnb boutnb oubtnb uobtnb buotnb ubotnb obtunb botunb otbunb tobunb btounb tbounb outbnb uotbnb otubnb toubnb utobnb tuobnb butonb ubtonb btuonb tbuonb utbonb tubonb nbbuto bnbuto nbbuto bnbuto bbnuto bbnuto nbubto bnubto nubbto unbbto bunbto ubnbto nbubto bnubto nubbto unbbto bunbto ubnbto bbunto bbunto bubnto ubbnto bubnto ubbnto nbbtuo bnbtuo nbbtuo bnbtuo bbntuo bbntuo nbtbuo bntbuo ntbbuo tnbbuo btnbuo tbnbuo nbtbuo bntbuo ntbbuo tnbbuo btnbuo tbnbuo bbtnuo bbtnuo btbnuo tbbnuo btbnuo tbbnuo nbutbo bnutbo nubtbo unbtbo buntbo ubntbo nbtubo bntubo ntbubo tnbubo btnubo tbnubo nutbbo untbbo ntubbo tnubbo utnbbo tunbbo butnbo ubtnbo btunbo tbunbo utbnbo tubnbo nbutbo bnutbo nubtbo unbtbo buntbo ubntbo nbtubo bntubo ntbubo tnbubo btnubo tbnubo nutbbo untbbo ntubbo tnubbo utnbbo tunbbo butnbo ubtnbo btunbo tbunbo utbnbo tubnbo bbutno bbutno bubtno ubbtno bubtno ubbtno bbtuno bbtuno btbuno tbbuno btbuno tbbuno butbno ubtbno btubno tbubno utbbno tubbno butbno ubtbno btubno tbubno utbbno tubbno obbutn bobutn obbutn bobutn bboutn bboutn obubtn boubtn oubbtn uobbtn buobtn ubobtn obubtn boubtn oubbtn uobbtn buobtn ubobtn bbuotn bbuotn bubotn ubbotn bubotn ubbotn obbtun bobtun obbtun bobtun bbotun bbotun obtbun botbun otbbun tobbun btobun tbobun obtbun botbun otbbun tobbun btobun tbobun bbtoun bbtoun btboun tbboun btboun tbboun obutbn boutbn oubtbn uobtbn buotbn ubotbn obtubn botubn otbubn tobubn btoubn tboubn outbbn uotbbn otubbn toubbn utobbn tuobbn butobn ubtobn btuobn tbuobn utbobn tubobn obutbn boutbn oubtbn uobtbn buotbn ubotbn obtubn botubn otbubn tobubn btoubn tboubn outbbn uotbbn otubbn toubbn utobbn tuobbn butobn ubtobn btuobn tbuobn utbobn tubobn bbuton bbuton bubton ubbton bubton ubbton bbtuon bbtuon btbuon tbbuon btbuon tbbuon butbon ubtbon btubon tbubon utbbon tubbon butbon ubtbon btubon tbubon utbbon tubbon
Note: these 'words' (valid or invalid) are all the permutations of the word nobbut. These words are obtained by scrambling the letters in nobbut.