coure ocure cuore ucore oucre uocre corue ocrue croue rcoue orcue rocue curoe ucroe cruoe rcuoe urcoe rucoe ource uorce oruce rouce uroce ruoce couer ocuer cuoer ucoer oucer uocer coeur oceur ceour ecour oecur eocur cueor uceor ceuor ecuor uecor eucor ouecr uoecr oeucr eoucr ueocr euocr coreu ocreu croeu rcoeu orceu roceu coeru oceru ceoru ecoru oecru eocru creou rceou cerou ecrou recou ercou orecu roecu oercu eorcu reocu erocu cureo ucreo crueo rcueo urceo ruceo cuero ucero ceuro ecuro uecro eucro creuo rceuo ceruo ecruo recuo ercuo ureco rueco uerco eurco reuco eruco ourec uorec oruec rouec uroec ruoec ouerc uoerc oeurc eourc ueorc euorc oreuc roeuc oeruc eoruc reouc erouc ureoc rueoc ueroc euroc reuoc eruoc
Note: these 'words' (valid or invalid) are all the permutations of the word coure. These words are obtained by scrambling the letters in coure.