cogon ocgon cgoon gcoon ogcon gocon coogn ocogn coogn ocogn oocgn oocgn cgoon gcoon cogon ocgon gocon ogcon ogocn goocn oogcn oogcn goocn ogocn cogno ocgno cgono gcono ogcno gocno congo ocngo cnogo ncogo oncgo nocgo cgnoo gcnoo cngoo ncgoo gncoo ngcoo ognco gonco ongco nogco gnoco ngoco coong ocong coong ocong oocng oocng conog ocnog cnoog ncoog oncog nocog conog ocnog cnoog ncoog oncog nocog ooncg ooncg onocg noocg onocg noocg cgono gcono cogno ocgno gocno ogcno cgnoo gcnoo cngoo ncgoo gncoo ngcoo congo ocngo cnogo ncogo oncgo nocgo gonco ognco gnoco ngoco ongco nogco ogonc goonc oognc oognc goonc ogonc ognoc gonoc ongoc nogoc gnooc ngooc oongc oongc onogc noogc onogc noogc gonoc ognoc gnooc ngooc ongoc nogoc
Note: these 'words' (valid or invalid) are all the permutations of the word cogon. These words are obtained by scrambling the letters in cogon.