ewwfl wewfl ewwfl wewfl wwefl wwefl ewfwl wefwl efwwl fewwl wfewl fwewl ewfwl wefwl efwwl fewwl wfewl fwewl wwfel wwfel wfwel fwwel wfwel fwwel ewwlf wewlf ewwlf wewlf wwelf wwelf ewlwf welwf elwwf lewwf wlewf lwewf ewlwf welwf elwwf lewwf wlewf lwewf wwlef wwlef wlwef lwwef wlwef lwwef ewflw weflw efwlw fewlw wfelw fwelw ewlfw welfw elwfw lewfw wlefw lwefw eflww felww elfww lefww fleww lfeww wflew fwlew wlfew lwfew flwew lfwew ewflw weflw efwlw fewlw wfelw fwelw ewlfw welfw elwfw lewfw wlefw lwefw eflww felww elfww lefww fleww lfeww wflew fwlew wlfew lwfew flwew lfwew wwfle wwfle wfwle fwwle wfwle fwwle wwlfe wwlfe wlwfe lwwfe wlwfe lwwfe wflwe fwlwe wlfwe lwfwe flwwe lfwwe wflwe fwlwe wlfwe lwfwe flwwe lfwwe
Note: these 'words' (valid or invalid) are all the permutations of the word ewwfl. These words are obtained by scrambling the letters in ewwfl.