onding noding odning doning ndoing dnoing onidng noidng oindng iondng niodng inodng odinng doinng oidnng iodnng dionng idonng ndiong dniong nidong indong dinong idnong ondnig nodnig odnnig donnig ndonig dnonig onndig nondig onndig nondig nnodig nnodig odnnig donnig ondnig nodnig dnonig ndonig ndnoig dnnoig nndoig nndoig dnnoig ndnoig onindg noindg oinndg ionndg niondg inondg onnidg nonidg onnidg nonidg nnoidg nnoidg oinndg ionndg onindg noindg inondg niondg ninodg innodg nniodg nniodg innodg ninodg odinng doinng oidnng iodnng dionng idonng odning doning onding noding dnoing ndoing oindng iondng onidng noidng inodng niodng dinong idnong dniong ndiong indong nidong ndinog dninog nidnog indnog dinnog idnnog ndniog dnniog nndiog nndiog dnniog ndniog nindog inndog nnidog nnidog inndog nindog dinnog idnnog dninog ndinog indnog nidnog ondign nodign odnign donign ndoign dnoign onidgn noidgn oindgn iondgn niodgn inodgn odingn doingn oidngn iodngn diongn idongn ndiogn dniogn nidogn indogn dinogn idnogn ondgin nodgin odngin dongin ndogin dnogin ongdin nogdin ogndin gondin ngodin gnodin odgnin dognin ogdnin godnin dgonin gdonin ndgoin dngoin ngdoin gndoin dgnoin gdnoin onigdn noigdn oingdn iongdn niogdn inogdn ongidn nogidn ognidn gonidn ngoidn gnoidn oigndn iogndn ogindn goindn igondn giondn nigodn ingodn ngiodn gniodn ignodn ginodn odignn doignn oidgnn iodgnn diognn idognn odginn doginn ogdinn godinn dgoinn gdoinn oigdnn iogdnn ogidnn goidnn igodnn giodnn digonn idgonn dgionn gdionn igdonn gidonn ndigon dnigon nidgon indgon dingon idngon ndgion dngion ngdion gndion dgnion gdnion nigdon ingdon ngidon gnidon igndon gindon dignon idgnon dginon gdinon igdnon gidnon ondngi nodngi odnngi donngi ndongi dnongi onndgi nondgi onndgi nondgi nnodgi nnodgi odnngi donngi ondngi nodngi dnongi ndongi ndnogi dnnogi nndogi nndogi dnnogi ndnogi ondgni nodgni odngni dongni ndogni dnogni ongdni nogdni ogndni gondni ngodni gnodni odgnni dognni ogdnni godnni dgonni gdonni ndgoni dngoni ngdoni gndoni dgnoni gdnoni onngdi nongdi onngdi nongdi nnogdi nnogdi ongndi nogndi ognndi gonndi ngondi gnondi ongndi nogndi ognndi gonndi ngondi gnondi nngodi nngodi ngnodi gnnodi ngnodi gnnodi odngni dongni ondgni nodgni dnogni ndogni odgnni dognni ogdnni godnni dgonni gdonni ongdni nogdni ogndni gondni ngodni gnodni dngoni ndgoni dgnoni gdnoni ngdoni gndoni ndngoi dnngoi nndgoi nndgoi dnngoi ndngoi ndgnoi dngnoi ngdnoi gndnoi dgnnoi gdnnoi nngdoi nngdoi ngndoi gnndoi ngndoi gnndoi dngnoi ndgnoi dgnnoi gdnnoi ngdnoi gndnoi oningd noingd oinngd ionngd niongd inongd onnigd nonigd onnigd nonigd nnoigd nnoigd oinngd ionngd oningd noingd inongd niongd ninogd innogd nniogd nniogd innogd ninogd onignd noignd oingnd iongnd niognd inognd ongind nogind ognind gonind ngoind gnoind oignnd iognnd oginnd goinnd igonnd gionnd nigond ingond ngiond gniond ignond ginond onngid nongid onngid nongid nnogid nnogid ongnid nognid ognnid gonnid ngonid gnonid ongnid nognid ognnid gonnid ngonid gnonid nngoid nngoid ngnoid gnnoid ngnoid gnnoid oingnd iongnd onignd noignd inognd niognd oignnd iognnd oginnd goinnd igonnd gionnd ongind nogind ognind gonind ngoind gnoind ingond nigond ignond ginond ngiond gniond ningod inngod nnigod nnigod inngod ningod nignod ingnod nginod gninod ignnod ginnod nngiod nngiod ngniod gnniod ngniod gnniod ingnod nignod ignnod ginnod nginod gninod odingn doingn oidngn iodngn diongn idongn odnign donign ondign nodign dnoign ndoign oindgn iondgn onidgn noidgn inodgn niodgn dinogn idnogn dniogn ndiogn indogn nidogn odignn doignn oidgnn iodgnn diognn idognn odginn doginn ogdinn godinn dgoinn gdoinn oigdnn iogdnn ogidnn goidnn igodnn giodnn digonn idgonn dgionn gdionn igdonn gidonn odngin dongin ondgin nodgin dnogin ndogin odgnin dognin ogdnin godnin dgonin gdonin ongdin nogdin ogndin gondin ngodin gnodin dngoin ndgoin dgnoin gdnoin ngdoin gndoin oingdn iongdn onigdn noigdn inogdn niogdn oigndn iogndn ogindn goindn igondn giondn ongidn nogidn ognidn gonidn ngoidn gnoidn ingodn nigodn ignodn ginodn ngiodn gniodn dingon idngon dnigon ndigon indgon nidgon dignon idgnon dginon gdinon igdnon gidnon dngion ndgion dgnion gdnion ngdion gndion ingdon nigdon igndon gindon ngidon gnidon ndingo dningo nidngo indngo dinngo idnngo ndnigo dnnigo nndigo nndigo dnnigo ndnigo nindgo inndgo nnidgo nnidgo inndgo nindgo dinngo idnngo dningo ndingo indngo nidngo ndigno dnigno nidgno indgno dingno idngno ndgino dngino ngdino gndino dgnino gdnino nigdno ingdno ngidno gnidno igndno gindno dignno idgnno dginno gdinno igdnno gidnno ndngio dnngio nndgio nndgio dnngio ndngio ndgnio dngnio ngdnio gndnio dgnnio gdnnio nngdio nngdio ngndio gnndio ngndio gnndio dngnio ndgnio dgnnio gdnnio ngdnio gndnio ningdo inngdo nnigdo nnigdo inngdo ningdo nigndo ingndo ngindo gnindo ignndo ginndo nngido nngido ngnido gnnido ngnido gnnido ingndo nigndo ignndo ginndo ngindo gnindo dingno idngno dnigno ndigno indgno nidgno dignno idgnno dginno gdinno igdnno gidnno dngino ndgino dgnino gdnino ngdino gndino ingdno nigdno igndno gindno ngidno gnidno
Note: these 'words' (valid or invalid) are all the permutations of the word onding. These words are obtained by scrambling the letters in onding.