niggly inggly ngigly gnigly igngly gingly niggly inggly ngigly gnigly igngly gingly nggily gngily nggily gngily ggnily ggnily iggnly gignly iggnly gignly gginly gginly niglgy inglgy ngilgy gnilgy ignlgy ginlgy nilggy inlggy nliggy lniggy ilnggy linggy ngligy gnligy nlgigy lngigy glnigy lgnigy iglngy gilngy ilgngy ligngy glingy lgingy niglgy inglgy ngilgy gnilgy ignlgy ginlgy nilggy inlggy nliggy lniggy ilnggy linggy ngligy gnligy nlgigy lngigy glnigy lgnigy iglngy gilngy ilgngy ligngy glingy lgingy nggliy gngliy nggliy gngliy ggnliy ggnliy nglgiy gnlgiy nlggiy lnggiy glngiy lgngiy nglgiy gnlgiy nlggiy lnggiy glngiy lgngiy gglniy gglniy glgniy lggniy glgniy lggniy igglny giglny igglny giglny ggilny ggilny iglgny gilgny ilggny liggny gligny lgigny iglgny gilgny ilggny liggny gligny lgigny ggliny ggliny glginy lgginy glginy lgginy niggyl inggyl ngigyl gnigyl igngyl gingyl niggyl inggyl ngigyl gnigyl igngyl gingyl nggiyl gngiyl nggiyl gngiyl ggniyl ggniyl iggnyl gignyl iggnyl gignyl gginyl gginyl nigygl ingygl ngiygl gniygl ignygl ginygl niyggl inyggl nyiggl yniggl iynggl yinggl ngyigl gnyigl nygigl yngigl gynigl ygnigl igyngl giyngl iygngl yigngl gyingl ygingl nigygl ingygl ngiygl gniygl ignygl ginygl niyggl inyggl nyiggl yniggl iynggl yinggl ngyigl gnyigl nygigl yngigl gynigl ygnigl igyngl giyngl iygngl yigngl gyingl ygingl nggyil gngyil nggyil gngyil ggnyil ggnyil ngygil gnygil nyggil ynggil gyngil ygngil ngygil gnygil nyggil ynggil gyngil ygngil ggynil ggynil gygnil yggnil gygnil yggnil iggynl gigynl iggynl gigynl ggiynl ggiynl igygnl giygnl iyggnl yiggnl gyignl ygignl igygnl giygnl iyggnl yiggnl gyignl ygignl ggyinl ggyinl gyginl ygginl gyginl ygginl niglyg inglyg ngilyg gnilyg ignlyg ginlyg nilgyg inlgyg nligyg lnigyg ilngyg lingyg ngliyg gnliyg nlgiyg lngiyg glniyg lgniyg iglnyg gilnyg ilgnyg lignyg glinyg lginyg nigylg ingylg ngiylg gniylg ignylg ginylg niyglg inyglg nyiglg yniglg iynglg yinglg ngyilg gnyilg nygilg yngilg gynilg ygnilg igynlg giynlg iygnlg yignlg gyinlg yginlg nilygg inlygg nliygg lniygg ilnygg linygg niylgg inylgg nyilgg ynilgg iynlgg yinlgg nlyigg lnyigg nyligg ynligg lynigg ylnigg ilyngg liyngg iylngg yilngg lyingg ylingg nglyig gnlyig nlgyig lngyig glnyig lgnyig ngylig gnylig nyglig ynglig gynlig ygnlig nlygig lnygig nylgig ynlgig lyngig ylngig glynig lgynig gylnig yglnig lygnig ylgnig iglyng gilyng ilgyng ligyng gliyng lgiyng igylng giylng iyglng yiglng gyilng ygilng ilygng liygng iylgng yilgng lyigng yligng glying lgying gyling ygling lyging ylging niglyg inglyg ngilyg gnilyg ignlyg ginlyg nilgyg inlgyg nligyg lnigyg ilngyg lingyg ngliyg gnliyg nlgiyg lngiyg glniyg lgniyg iglnyg gilnyg ilgnyg lignyg glinyg lginyg nigylg ingylg ngiylg gniylg ignylg ginylg niyglg inyglg nyiglg yniglg iynglg yinglg ngyilg gnyilg nygilg yngilg gynilg ygnilg igynlg giynlg iygnlg yignlg gyinlg yginlg nilygg inlygg nliygg lniygg ilnygg linygg niylgg inylgg nyilgg ynilgg iynlgg yinlgg nlyigg lnyigg nyligg ynligg lynigg ylnigg ilyngg liyngg iylngg yilngg lyingg ylingg nglyig gnlyig nlgyig lngyig glnyig lgnyig ngylig gnylig nyglig ynglig gynlig ygnlig nlygig lnygig nylgig ynlgig lyngig ylngig glynig lgynig gylnig yglnig lygnig ylgnig iglyng gilyng ilgyng ligyng gliyng lgiyng igylng giylng iyglng yiglng gyilng ygilng ilygng liygng iylgng yilgng lyigng yligng glying lgying gyling ygling lyging ylging ngglyi gnglyi ngglyi gnglyi ggnlyi ggnlyi nglgyi gnlgyi nlggyi lnggyi glngyi lgngyi nglgyi gnlgyi nlggyi lnggyi glngyi lgngyi gglnyi gglnyi glgnyi lggnyi glgnyi lggnyi nggyli gngyli nggyli gngyli ggnyli ggnyli ngygli gnygli nyggli ynggli gyngli ygngli ngygli gnygli nyggli ynggli gyngli ygngli ggynli ggynli gygnli yggnli gygnli yggnli nglygi gnlygi nlgygi lngygi glnygi lgnygi ngylgi gnylgi nyglgi ynglgi gynlgi ygnlgi nlyggi lnyggi nylggi ynlggi lynggi ylnggi glyngi lgyngi gylngi yglngi lygngi ylgngi nglygi gnlygi nlgygi lngygi glnygi lgnygi ngylgi gnylgi nyglgi ynglgi gynlgi ygnlgi nlyggi lnyggi nylggi ynlggi lynggi ylnggi glyngi lgyngi gylngi yglngi lygngi ylgngi gglyni gglyni glgyni lggyni glgyni lggyni ggylni ggylni gyglni ygglni gyglni ygglni glygni lgygni gylgni yglgni lyggni ylggni glygni lgygni gylgni yglgni lyggni ylggni igglyn giglyn igglyn giglyn ggilyn ggilyn iglgyn gilgyn ilggyn liggyn gligyn lgigyn iglgyn gilgyn ilggyn liggyn gligyn lgigyn ggliyn ggliyn glgiyn lggiyn glgiyn lggiyn iggyln gigyln iggyln gigyln ggiyln ggiyln igygln giygln iyggln yiggln gyigln ygigln igygln giygln iyggln yiggln gyigln ygigln ggyiln ggyiln gygiln yggiln gygiln yggiln iglygn gilygn ilgygn ligygn gliygn lgiygn igylgn giylgn iyglgn yiglgn gyilgn ygilgn ilyggn liyggn iylggn yilggn lyiggn yliggn glyign lgyign gylign yglign lygign ylgign iglygn gilygn ilgygn ligygn gliygn lgiygn igylgn giylgn iyglgn yiglgn gyilgn ygilgn ilyggn liyggn iylggn yilggn lyiggn yliggn glyign lgyign gylign yglign lygign ylgign gglyin gglyin glgyin lggyin glgyin lggyin ggylin ggylin gyglin ygglin gyglin ygglin glygin lgygin gylgin yglgin lyggin ylggin glygin lgygin gylgin yglgin lyggin ylggin
Note: these 'words' (valid or invalid) are all the permutations of the word niggly. These words are obtained by scrambling the letters in niggly.