slingy lsingy silngy islngy lisngy ilsngy slnigy lsnigy snligy nsligy lnsigy nlsigy sinlgy isnlgy snilgy nsilgy inslgy nislgy linsgy ilnsgy lnisgy nlisgy inlsgy nilsgy sligny lsigny silgny islgny lisgny ilsgny slginy lsginy sgliny gsliny lgsiny glsiny siglny isglny sgilny gsilny igslny gislny ligsny ilgsny lgisny glisny iglsny gilsny slngiy lsngiy snlgiy nslgiy lnsgiy nlsgiy slgniy lsgniy sglniy gslniy lgsniy glsniy sngliy nsgliy sgnliy gsnliy ngsliy gnsliy lngsiy nlgsiy lgnsiy glnsiy nglsiy gnlsiy singly isngly snigly nsigly insgly nisgly signly isgnly sginly gsinly igsnly gisnly sngily nsgily sgnily gsnily ngsily gnsily ingsly nigsly ignsly ginsly ngisly gnisly lingsy ilngsy lnigsy nligsy inlgsy nilgsy lignsy ilgnsy lginsy glinsy iglnsy gilnsy lngisy nlgisy lgnisy glnisy nglisy gnlisy inglsy niglsy ignlsy ginlsy ngilsy gnilsy slinyg lsinyg silnyg islnyg lisnyg ilsnyg slniyg lsniyg snliyg nsliyg lnsiyg nlsiyg sinlyg isnlyg snilyg nsilyg inslyg nislyg linsyg ilnsyg lnisyg nlisyg inlsyg nilsyg sliyng lsiyng silyng islyng lisyng ilsyng slying lsying syling ysling lysing ylsing siylng isylng syilng ysilng iyslng yislng liysng ilysng lyisng ylisng iylsng yilsng slnyig lsnyig snlyig nslyig lnsyig nlsyig slynig lsynig sylnig yslnig lysnig ylsnig snylig nsylig synlig ysnlig nyslig ynslig lnysig nlysig lynsig ylnsig nylsig ynlsig sinylg isnylg sniylg nsiylg insylg nisylg siynlg isynlg syinlg ysinlg iysnlg yisnlg snyilg nsyilg synilg ysnilg nysilg ynsilg inyslg niyslg iynslg yinslg nyislg ynislg linysg ilnysg lniysg nliysg inlysg nilysg liynsg ilynsg lyinsg ylinsg iylnsg yilnsg lnyisg nlyisg lynisg ylnisg nylisg ynlisg inylsg niylsg iynlsg yinlsg nyilsg ynilsg sligyn lsigyn silgyn islgyn lisgyn ilsgyn slgiyn lsgiyn sgliyn gsliyn lgsiyn glsiyn siglyn isglyn sgilyn gsilyn igslyn gislyn ligsyn ilgsyn lgisyn glisyn iglsyn gilsyn sliygn lsiygn silygn islygn lisygn ilsygn slyign lsyign sylign yslign lysign ylsign siylgn isylgn syilgn ysilgn iyslgn yislgn liysgn ilysgn lyisgn ylisgn iylsgn yilsgn slgyin lsgyin sglyin gslyin lgsyin glsyin slygin lsygin sylgin yslgin lysgin ylsgin sgylin gsylin syglin ysglin gyslin ygslin lgysin glysin lygsin ylgsin gylsin yglsin sigyln isgyln sgiyln gsiyln igsyln gisyln siygln isygln syigln ysigln iysgln yisgln sgyiln gsyiln sygiln ysgiln gysiln ygsiln igysln giysln iygsln yigsln gyisln ygisln ligysn ilgysn lgiysn gliysn iglysn gilysn liygsn ilygsn lyigsn yligsn iylgsn yilgsn lgyisn glyisn lygisn ylgisn gylisn yglisn igylsn giylsn iyglsn yiglsn gyilsn ygilsn slngyi lsngyi snlgyi nslgyi lnsgyi nlsgyi slgnyi lsgnyi sglnyi gslnyi lgsnyi glsnyi snglyi nsglyi sgnlyi gsnlyi ngslyi gnslyi lngsyi nlgsyi lgnsyi glnsyi nglsyi gnlsyi slnygi lsnygi snlygi nslygi lnsygi nlsygi slyngi lsyngi sylngi yslngi lysngi ylsngi snylgi nsylgi synlgi ysnlgi nyslgi ynslgi lnysgi nlysgi lynsgi ylnsgi nylsgi ynlsgi slgyni lsgyni sglyni gslyni lgsyni glsyni slygni lsygni sylgni yslgni lysgni ylsgni sgylni gsylni syglni ysglni gyslni ygslni lgysni glysni lygsni ylgsni gylsni yglsni sngyli nsgyli sgnyli gsnyli ngsyli gnsyli snygli nsygli syngli ysngli nysgli ynsgli sgynli gsynli sygnli ysgnli gysnli ygsnli ngysli gnysli nygsli yngsli gynsli ygnsli lngysi nlgysi lgnysi glnysi nglysi gnlysi lnygsi nlygsi lyngsi ylngsi nylgsi ynlgsi lgynsi glynsi lygnsi ylgnsi gylnsi yglnsi ngylsi gnylsi nyglsi ynglsi gynlsi ygnlsi singyl isngyl snigyl nsigyl insgyl nisgyl signyl isgnyl sginyl gsinyl igsnyl gisnyl sngiyl nsgiyl sgniyl gsniyl ngsiyl gnsiyl ingsyl nigsyl ignsyl ginsyl ngisyl gnisyl sinygl isnygl sniygl nsiygl insygl nisygl siyngl isyngl syingl ysingl iysngl yisngl snyigl nsyigl synigl ysnigl nysigl ynsigl inysgl niysgl iynsgl yinsgl nyisgl ynisgl sigynl isgynl sgiynl gsiynl igsynl gisynl siygnl isygnl syignl ysignl iysgnl yisgnl sgyinl gsyinl syginl ysginl gysinl ygsinl igysnl giysnl iygsnl yigsnl gyisnl ygisnl sngyil nsgyil sgnyil gsnyil ngsyil gnsyil snygil nsygil syngil ysngil nysgil ynsgil sgynil gsynil sygnil ysgnil gysnil ygsnil ngysil gnysil nygsil yngsil gynsil ygnsil ingysl nigysl ignysl ginysl ngiysl gniysl inygsl niygsl iyngsl yingsl nyigsl ynigsl igynsl giynsl iygnsl yignsl gyinsl yginsl ngyisl gnyisl nygisl yngisl gynisl ygnisl lingys ilngys lnigys nligys inlgys nilgys lignys ilgnys lginys glinys iglnys gilnys lngiys nlgiys lgniys glniys ngliys gnliys inglys niglys ignlys ginlys ngilys gnilys linygs ilnygs lniygs nliygs inlygs nilygs liyngs ilyngs lyings ylings iylngs yilngs lnyigs nlyigs lynigs ylnigs nyligs ynligs inylgs niylgs iynlgs yinlgs nyilgs ynilgs ligyns ilgyns lgiyns gliyns iglyns gilyns liygns ilygns lyigns yligns iylgns yilgns lgyins glyins lygins ylgins gylins yglins igylns giylns iyglns yiglns gyilns ygilns lngyis nlgyis lgnyis glnyis nglyis gnlyis lnygis nlygis lyngis ylngis nylgis ynlgis lgynis glynis lygnis ylgnis gylnis yglnis ngylis gnylis nyglis ynglis gynlis ygnlis ingyls nigyls ignyls ginyls ngiyls gniyls inygls niygls iyngls yingls nyigls ynigls igynls giynls iygnls yignls gyinls yginls ngyils gnyils nygils yngils gynils ygnils
Note: these 'words' (valid or invalid) are all the permutations of the word slingy. These words are obtained by scrambling the letters in slingy.