cornu ocrnu cronu rconu orcnu rocnu conru ocnru cnoru ncoru oncru nocru crnou rcnou cnrou ncrou rncou nrcou orncu roncu onrcu norcu rnocu nrocu corun ocrun croun rcoun orcun rocun courn ocurn cuorn ucorn oucrn uocrn cruon rcuon curon ucron rucon urcon orucn roucn ourcn uorcn ruocn urocn conur ocnur cnour ncour oncur nocur counr ocunr cuonr uconr oucnr uocnr cnuor ncuor cunor ucnor nucor uncor onucr noucr ouncr uoncr nuocr unocr crnuo rcnuo cnruo ncruo rncuo nrcuo cruno rcuno curno ucrno rucno urcno cnuro ncuro cunro ucnro nucro uncro rnuco nruco runco urnco nurco unrco ornuc ronuc onruc noruc rnouc nrouc orunc rounc ournc uornc ruonc uronc onurc nourc ounrc uonrc nuorc unorc rnuoc nruoc runoc urnoc nuroc unroc
Note: these 'words' (valid or invalid) are all the permutations of the word cornu. These words are obtained by scrambling the letters in cornu.