fling lfing filng iflng lifng ilfng flnig lfnig fnlig nflig lnfig nlfig finlg ifnlg fnilg nfilg inflg niflg linfg ilnfg lnifg nlifg inlfg nilfg flign lfign filgn iflgn lifgn ilfgn flgin lfgin fglin gflin lgfin glfin figln ifgln fgiln gfiln igfln gifln ligfn ilgfn lgifn glifn iglfn gilfn flngi lfngi fnlgi nflgi lnfgi nlfgi flgni lfgni fglni gflni lgfni glfni fngli nfgli fgnli gfnli ngfli gnfli lngfi nlgfi lgnfi glnfi nglfi gnlfi fingl ifngl fnigl nfigl infgl nifgl fignl ifgnl fginl gfinl igfnl gifnl fngil nfgil fgnil gfnil ngfil gnfil ingfl nigfl ignfl ginfl ngifl gnifl lingf ilngf lnigf nligf inlgf nilgf lignf ilgnf lginf glinf iglnf gilnf lngif nlgif lgnif glnif nglif gnlif inglf niglf ignlf ginlf ngilf gnilf
Note: these 'words' (valid or invalid) are all the permutations of the word fling. These words are obtained by scrambling the letters in fling.