gonad ognad gnoad ngoad ongad nogad goand ogand gaond agond oagnd aognd gnaod ngaod ganod agnod nagod angod onagd noagd oangd aongd naogd anogd gonda ognda gnoda ngoda ongda nogda godna ogdna gdona dgona odgna dogna gndoa ngdoa gdnoa dgnoa ndgoa dngoa ondga nodga odnga donga ndoga dnoga goadn ogadn gaodn agodn oagdn aogdn godan ogdan gdoan dgoan odgan dogan gadon agdon gdaon dgaon adgon dagon oadgn aodgn odagn doagn adogn daogn gnado ngado gando agndo nagdo angdo gndao ngdao gdnao dgnao ndgao dngao gadno agdno gdano dgano adgno dagno nadgo andgo ndago dnago adngo dango onadg noadg oandg aondg naodg anodg ondag nodag odnag donag ndoag dnoag oadng aodng odang doang adong daong nadog andog ndaog dnaog adnog danog
Note: these 'words' (valid or invalid) are all the permutations of the word gonad. These words are obtained by scrambling the letters in gonad.