kloof lkoof kolof oklof lokof olkof kloof lkoof kolof oklof lokof olkof koolf okolf koolf okolf ooklf ooklf lookf olokf lookf olokf oolkf oolkf klofo lkofo kolfo oklfo lokfo olkfo klfoo lkfoo kfloo fkloo lfkoo flkoo koflo okflo kfolo fkolo ofklo foklo lofko olfko lfoko floko oflko folko klofo lkofo kolfo oklfo lokfo olkfo klfoo lkfoo kfloo fkloo lfkoo flkoo koflo okflo kfolo fkolo ofklo foklo lofko olfko lfoko floko oflko folko koofl okofl koofl okofl ookfl ookfl kofol okfol kfool fkool ofkol fokol kofol okfol kfool fkool ofkol fokol oofkl oofkl ofokl fookl ofokl fookl loofk olofk loofk olofk oolfk oolfk lofok olfok lfook flook oflok folok lofok olfok lfook flook oflok folok ooflk ooflk ofolk foolk ofolk foolk
Note: these 'words' (valid or invalid) are all the permutations of the word kloof. These words are obtained by scrambling the letters in kloof.