dugong udgong dguong gduong ugdong gudong duogng udogng dougng odugng uodgng oudgng dgoung gdoung dogung odgung godung ogdung ugodng guodng uogdng ougdng goudng ogudng dugnog udgnog dgunog gdunog ugdnog gudnog dungog udngog dnugog ndugog undgog nudgog dgnuog gdnuog dnguog ndguog gnduog ngduog ugndog gundog ungdog nugdog gnudog ngudog duongg udongg doungg odungg uodngg oudngg dunogg udnogg dnuogg nduogg undogg nudogg donugg odnugg dnougg ndougg ondugg nodugg uondgg oundgg unodgg nuodgg onudgg noudgg dgonug gdonug dognug odgnug godnug ogdnug dgnoug gdnoug dngoug ndgoug gndoug ngdoug dongug odngug dnogug ndogug ondgug nodgug gondug ogndug gnodug ngodug ongdug nogdug ugondg guondg uogndg ougndg goundg ogundg ugnodg gunodg ungodg nugodg gnuodg nguodg uongdg oungdg unogdg nuogdg onugdg nougdg gonudg ognudg gnoudg ngoudg ongudg nogudg dugogn udgogn dguogn gduogn ugdogn gudogn duoggn udoggn douggn oduggn uodggn oudggn dgougn gdougn dogugn odgugn godugn ogdugn ugodgn guodgn uogdgn ougdgn goudgn ogudgn duggon udggon dgugon gdugon ugdgon gudgon duggon udggon dgugon gdugon ugdgon gudgon dgguon gdguon dgguon gdguon ggduon ggduon uggdon gugdon uggdon gugdon ggudon ggudon duoggn udoggn douggn oduggn uodggn oudggn dugogn udgogn dguogn gduogn ugdogn gudogn dogugn odgugn dgougn gdougn ogdugn godugn uogdgn ougdgn ugodgn guodgn ogudgn goudgn dgogun gdogun doggun odggun godgun ogdgun dggoun gdgoun dggoun gdgoun ggdoun ggdoun doggun odggun dgogun gdogun ogdgun godgun gogdun oggdun ggodun ggodun oggdun gogdun ugogdn guogdn uoggdn ouggdn gougdn ogugdn uggodn gugodn uggodn gugodn gguodn gguodn uoggdn ouggdn ugogdn guogdn ogugdn gougdn gogudn oggudn ggoudn ggoudn oggudn gogudn dugngo udgngo dgungo gdungo ugdngo gudngo dunggo udnggo dnuggo nduggo undggo nudggo dgnugo gdnugo dngugo ndgugo gndugo ngdugo ugndgo gundgo ungdgo nugdgo gnudgo ngudgo duggno udggno dgugno gdugno ugdgno gudgno duggno udggno dgugno gdugno ugdgno gudgno dgguno gdguno dgguno gdguno ggduno ggduno uggdno gugdno uggdno gugdno ggudno ggudno dunggo udnggo dnuggo nduggo undggo nudggo dugngo udgngo dgungo gdungo ugdngo gudngo dngugo ndgugo dgnugo gdnugo ngdugo gndugo ungdgo nugdgo ugndgo gundgo ngudgo gnudgo dgnguo gdnguo dngguo ndgguo gndguo ngdguo dggnuo gdgnuo dggnuo gdgnuo ggdnuo ggdnuo dngguo ndgguo dgnguo gdnguo ngdguo gndguo gngduo nggduo ggnduo ggnduo nggduo gngduo ugngdo gungdo unggdo nuggdo gnugdo ngugdo uggndo gugndo uggndo gugndo ggundo ggundo unggdo nuggdo ugngdo gungdo ngugdo gnugdo gngudo nggudo ggnudo ggnudo nggudo gngudo duongg udongg doungg odungg uodngg oudngg dunogg udnogg dnuogg nduogg undogg nudogg donugg odnugg dnougg ndougg ondugg nodugg uondgg oundgg unodgg nuodgg onudgg noudgg duogng udogng dougng odugng uodgng oudgng dugong udgong dguong gduong ugdong gudong dogung odgung dgoung gdoung ogdung godung uogdng ougdng ugodng guodng ogudng goudng dungog udngog dnugog ndugog undgog nudgog dugnog udgnog dgunog gdunog ugdnog gudnog dnguog ndguog dgnuog gdnuog ngduog gnduog ungdog nugdog ugndog gundog ngudog gnudog dongug odngug dnogug ndogug ondgug nodgug dognug odgnug dgonug gdonug ogdnug godnug dngoug ndgoug dgnoug gdnoug ngdoug gndoug ongdug nogdug ogndug gondug ngodug gnodug uongdg oungdg unogdg nuogdg onugdg nougdg uogndg ougndg ugondg guondg ogundg goundg ungodg nugodg ugnodg gunodg nguodg gnuodg ongudg nogudg ognudg gonudg ngoudg gnoudg dgongu gdongu dogngu odgngu godngu ogdngu dgnogu gdnogu dngogu ndgogu gndogu ngdogu donggu odnggu dnoggu ndoggu ondggu nodggu gondgu ogndgu gnodgu ngodgu ongdgu nogdgu dgognu gdognu doggnu odggnu godgnu ogdgnu dggonu gdgonu dggonu gdgonu ggdonu ggdonu doggnu odggnu dgognu gdognu ogdgnu godgnu gogdnu oggdnu ggodnu ggodnu oggdnu gogdnu dgngou gdngou dnggou ndggou gndgou ngdgou dggnou gdgnou dggnou gdgnou ggdnou ggdnou dnggou ndggou dgngou gdngou ngdgou gndgou gngdou nggdou ggndou ggndou nggdou gngdou donggu odnggu dnoggu ndoggu ondggu nodggu dogngu odgngu dgongu gdongu ogdngu godngu dngogu ndgogu dgnogu gdnogu ngdogu gndogu ongdgu nogdgu ogndgu gondgu ngodgu gnodgu gongdu ogngdu gnogdu ngogdu onggdu noggdu gogndu oggndu ggondu ggondu oggndu gogndu gngodu nggodu ggnodu ggnodu nggodu gngodu onggdu noggdu ogngdu gongdu ngogdu gnogdu ugongd guongd uogngd ougngd goungd ogungd ugnogd gunogd ungogd nugogd gnuogd nguogd uonggd ounggd unoggd nuoggd onuggd nouggd gonugd ognugd gnougd ngougd ongugd nogugd ugognd guognd uoggnd ouggnd gougnd ogugnd uggond gugond uggond gugond gguond gguond uoggnd ouggnd ugognd guognd ogugnd gougnd gogund oggund ggound ggound oggund gogund ugngod gungod unggod nuggod gnugod ngugod uggnod gugnod uggnod gugnod ggunod ggunod unggod nuggod ugngod gungod ngugod gnugod gnguod ngguod ggnuod ggnuod ngguod gnguod uonggd ounggd unoggd nuoggd onuggd nouggd uogngd ougngd ugongd guongd ogungd goungd ungogd nugogd ugnogd gunogd nguogd gnuogd ongugd nogugd ognugd gonugd ngougd gnougd gongud ogngud gnogud ngogud onggud noggud gognud oggnud ggonud ggonud oggnud gognud gngoud nggoud ggnoud ggnoud nggoud gngoud onggud noggud ogngud gongud ngogud gnogud
Note: these 'words' (valid or invalid) are all the permutations of the word dugong. These words are obtained by scrambling the letters in dugong.