flying lfying fyling yfling lyfing ylfing fliyng lfiyng filyng iflyng lifyng ilfyng fyilng yfilng fiylng ifylng yiflng iyflng lyifng ylifng liyfng ilyfng yilfng iylfng flynig lfynig fylnig yflnig lyfnig ylfnig flnyig lfnyig fnlyig nflyig lnfyig nlfyig fynlig yfnlig fnylig nfylig ynflig nyflig lynfig ylnfig lnyfig nlyfig ynlfig nylfig flinyg lfinyg filnyg iflnyg lifnyg ilfnyg flniyg lfniyg fnliyg nfliyg lnfiyg nlfiyg finlyg ifnlyg fnilyg nfilyg inflyg niflyg linfyg ilnfyg lnifyg nlifyg inlfyg nilfyg fyinlg yfinlg fiynlg ifynlg yifnlg iyfnlg fynilg yfnilg fnyilg nfyilg ynfilg nyfilg finylg ifnylg fniylg nfiylg infylg nifylg yinflg iynflg yniflg nyiflg inyflg niyflg lyinfg ylinfg liynfg ilynfg yilnfg iylnfg lynifg ylnifg lnyifg nlyifg ynlifg nylifg linyfg ilnyfg lniyfg nliyfg inlyfg nilyfg yinlfg iynlfg ynilfg nyilfg inylfg niylfg flyign lfyign fylign yflign lyfign ylfign fliygn lfiygn filygn iflygn lifygn ilfygn fyilgn yfilgn fiylgn ifylgn yiflgn iyflgn lyifgn ylifgn liyfgn ilyfgn yilfgn iylfgn flygin lfygin fylgin yflgin lyfgin ylfgin flgyin lfgyin fglyin gflyin lgfyin glfyin fyglin yfglin fgylin gfylin ygflin gyflin lygfin ylgfin lgyfin glyfin yglfin gylfin fligyn lfigyn filgyn iflgyn lifgyn ilfgyn flgiyn lfgiyn fgliyn gfliyn lgfiyn glfiyn figlyn ifglyn fgilyn gfilyn igflyn giflyn ligfyn ilgfyn lgifyn glifyn iglfyn gilfyn fyigln yfigln fiygln ifygln yifgln iyfgln fygiln yfgiln fgyiln gfyiln ygfiln gyfiln figyln ifgyln fgiyln gfiyln igfyln gifyln yigfln iygfln ygifln gyifln igyfln giyfln lyigfn yligfn liygfn ilygfn yilgfn iylgfn lygifn ylgifn lgyifn glyifn yglifn gylifn ligyfn ilgyfn lgiyfn gliyfn iglyfn gilyfn yiglfn iyglfn ygilfn gyilfn igylfn giylfn flyngi lfyngi fylngi yflngi lyfngi ylfngi flnygi lfnygi fnlygi nflygi lnfygi nlfygi fynlgi yfnlgi fnylgi nfylgi ynflgi nyflgi lynfgi ylnfgi lnyfgi nlyfgi ynlfgi nylfgi flygni lfygni fylgni yflgni lyfgni ylfgni flgyni lfgyni fglyni gflyni lgfyni glfyni fyglni yfglni fgylni gfylni ygflni gyflni lygfni ylgfni lgyfni glyfni yglfni gylfni flngyi lfngyi fnlgyi nflgyi lnfgyi nlfgyi flgnyi lfgnyi fglnyi gflnyi lgfnyi glfnyi fnglyi nfglyi fgnlyi gfnlyi ngflyi gnflyi lngfyi nlgfyi lgnfyi glnfyi nglfyi gnlfyi fyngli yfngli fnygli nfygli ynfgli nyfgli fygnli yfgnli fgynli gfynli ygfnli gyfnli fngyli nfgyli fgnyli gfnyli ngfyli gnfyli yngfli nygfli ygnfli gynfli ngyfli gnyfli lyngfi ylngfi lnygfi nlygfi ynlgfi nylgfi lygnfi ylgnfi lgynfi glynfi yglnfi gylnfi lngyfi nlgyfi lgnyfi glnyfi nglyfi gnlyfi ynglfi nyglfi ygnlfi gynlfi ngylfi gnylfi flingy lfingy filngy iflngy lifngy ilfngy flnigy lfnigy fnligy nfligy lnfigy nlfigy finlgy ifnlgy fnilgy nfilgy inflgy niflgy linfgy ilnfgy lnifgy nlifgy inlfgy nilfgy fligny lfigny filgny iflgny lifgny ilfgny flginy lfginy fgliny gfliny lgfiny glfiny figlny ifglny fgilny gfilny igflny giflny ligfny ilgfny lgifny glifny iglfny gilfny flngiy lfngiy fnlgiy nflgiy lnfgiy nlfgiy flgniy lfgniy fglniy gflniy lgfniy glfniy fngliy nfgliy fgnliy gfnliy ngfliy gnfliy lngfiy nlgfiy lgnfiy glnfiy nglfiy gnlfiy fingly ifngly fnigly nfigly infgly nifgly fignly ifgnly fginly gfinly igfnly gifnly fngily nfgily fgnily gfnily ngfily gnfily ingfly nigfly ignfly ginfly ngifly gnifly lingfy ilngfy lnigfy nligfy inlgfy nilgfy lignfy ilgnfy lginfy glinfy iglnfy gilnfy lngify nlgify lgnify glnify nglify gnlify inglfy niglfy ignlfy ginlfy ngilfy gnilfy fyingl yfingl fiyngl ifyngl yifngl iyfngl fynigl yfnigl fnyigl nfyigl ynfigl nyfigl finygl ifnygl fniygl nfiygl infygl nifygl yinfgl iynfgl ynifgl nyifgl inyfgl niyfgl fyignl yfignl fiygnl ifygnl yifgnl iyfgnl fyginl yfginl fgyinl gfyinl ygfinl gyfinl figynl ifgynl fgiynl gfiynl igfynl gifynl yigfnl iygfnl ygifnl gyifnl igyfnl giyfnl fyngil yfngil fnygil nfygil ynfgil nyfgil fygnil yfgnil fgynil gfynil ygfnil gyfnil fngyil nfgyil fgnyil gfnyil ngfyil gnfyil yngfil nygfil ygnfil gynfil ngyfil gnyfil fingyl ifngyl fnigyl nfigyl infgyl nifgyl fignyl ifgnyl fginyl gfinyl igfnyl gifnyl fngiyl nfgiyl fgniyl gfniyl ngfiyl gnfiyl ingfyl nigfyl ignfyl ginfyl ngifyl gnifyl yingfl iyngfl ynigfl nyigfl inygfl niygfl yignfl iygnfl yginfl gyinfl igynfl giynfl yngifl nygifl ygnifl gynifl ngyifl gnyifl ingyfl nigyfl ignyfl ginyfl ngiyfl gniyfl lyingf ylingf liyngf ilyngf yilngf iylngf lynigf ylnigf lnyigf nlyigf ynligf nyligf linygf ilnygf lniygf nliygf inlygf nilygf yinlgf iynlgf ynilgf nyilgf inylgf niylgf lyignf ylignf liygnf ilygnf yilgnf iylgnf lyginf ylginf lgyinf glyinf yglinf gylinf ligynf ilgynf lgiynf gliynf iglynf gilynf yiglnf iyglnf ygilnf gyilnf igylnf giylnf lyngif ylngif lnygif nlygif ynlgif nylgif lygnif ylgnif lgynif glynif yglnif gylnif lngyif nlgyif lgnyif glnyif nglyif gnlyif ynglif nyglif ygnlif gynlif ngylif gnylif lingyf ilngyf lnigyf nligyf inlgyf nilgyf lignyf ilgnyf lginyf glinyf iglnyf gilnyf lngiyf nlgiyf lgniyf glniyf ngliyf gnliyf inglyf niglyf ignlyf ginlyf ngilyf gnilyf yinglf iynglf yniglf nyiglf inyglf niyglf yignlf iygnlf yginlf gyinlf igynlf giynlf yngilf nygilf ygnilf gynilf ngyilf gnyilf ingylf nigylf ignylf ginylf ngiylf gniylf
Note: these 'words' (valid or invalid) are all the permutations of the word flying. These words are obtained by scrambling the letters in flying.