flown lfown folwn oflwn lofwn olfwn flwon lfwon fwlon wflon lwfon wlfon fowln ofwln fwoln wfoln owfln wofln lowfn olwfn lwofn wlofn owlfn wolfn flonw lfonw folnw oflnw lofnw olfnw flnow lfnow fnlow nflow lnfow nlfow fonlw ofnlw fnolw nfolw onflw noflw lonfw olnfw lnofw nlofw onlfw nolfw flwno lfwno fwlno wflno lwfno wlfno flnwo lfnwo fnlwo nflwo lnfwo nlfwo fwnlo wfnlo fnwlo nfwlo wnflo nwflo lwnfo wlnfo lnwfo nlwfo wnlfo nwlfo fownl ofwnl fwonl wfonl owfnl wofnl fonwl ofnwl fnowl nfowl onfwl nofwl fwnol wfnol fnwol nfwol wnfol nwfol ownfl wonfl onwfl nowfl wnofl nwofl lownf olwnf lwonf wlonf owlnf wolnf lonwf olnwf lnowf nlowf onlwf nolwf lwnof wlnof lnwof nlwof wnlof nwlof ownlf wonlf onwlf nowlf wnolf nwolf
Note: these 'words' (valid or invalid) are all the permutations of the word flown. These words are obtained by scrambling the letters in flown.