grails rgails garils agrils ragils argils grials rgials girals igrals rigals irgals gairls agirls giarls igarls aigrls iagrls raigls arigls riagls iragls airgls iargls gralis rgalis garlis agrlis raglis arglis grlais rglais glrais lgrais rlgais lrgais galris aglris glaris lgaris algris lagris ralgis arlgis rlagis lragis alrgis largis grilas rgilas girlas igrlas riglas irglas grlias rglias glrias lgrias rlgias lrgias gilras iglras gliras lgiras ilgras ligras rilgas irlgas rligas lrigas ilrgas lirgas gailrs agilrs gialrs igalrs aiglrs iaglrs galirs aglirs glairs lgairs algirs lagirs gilars iglars gliars lgiars ilgars ligars ailgrs ialgrs aligrs laigrs ilagrs liagrs railgs arilgs rialgs iralgs airlgs iarlgs raligs arligs rlaigs lraigs alrigs larigs rilags irlags rliags lriags ilrags lirags ailrgs ialrgs alirgs lairgs ilargs liargs graisl rgaisl garisl agrisl ragisl argisl griasl rgiasl girasl igrasl rigasl irgasl gairsl agirsl giarsl igarsl aigrsl iagrsl raigsl arigsl riagsl iragsl airgsl iargsl grasil rgasil garsil agrsil ragsil argsil grsail rgsail gsrail sgrail rsgail srgail gasril agsril gsaril sgaril asgril sagril rasgil arsgil rsagil sragil asrgil sargil grisal rgisal girsal igrsal rigsal irgsal grsial rgsial gsrial sgrial rsgial srgial gisral igsral gsiral sgiral isgral sigral risgal irsgal rsigal srigal isrgal sirgal gaisrl agisrl giasrl igasrl aigsrl iagsrl gasirl agsirl gsairl sgairl asgirl sagirl gisarl igsarl gsiarl sgiarl isgarl sigarl aisgrl iasgrl asigrl saigrl isagrl siagrl raisgl arisgl riasgl irasgl airsgl iarsgl rasigl arsigl rsaigl sraigl asrigl sarigl risagl irsagl rsiagl sriagl isragl siragl aisrgl iasrgl asirgl sairgl isargl siargl gralsi rgalsi garlsi agrlsi raglsi arglsi grlasi rglasi glrasi lgrasi rlgasi lrgasi galrsi aglrsi glarsi lgarsi algrsi lagrsi ralgsi arlgsi rlagsi lragsi alrgsi largsi grasli rgasli garsli agrsli ragsli argsli grsali rgsali gsrali sgrali rsgali srgali gasrli agsrli gsarli sgarli asgrli sagrli rasgli arsgli rsagli sragli asrgli sargli grlsai rglsai glrsai lgrsai rlgsai lrgsai grslai rgslai gsrlai sgrlai rsglai srglai glsrai lgsrai gslrai sglrai lsgrai slgrai rlsgai lrsgai rslgai srlgai lsrgai slrgai galsri aglsri glasri lgasri algsri lagsri gaslri agslri gsalri sgalri asglri saglri glsari lgsari gslari sglari lsgari slgari alsgri lasgri aslgri salgri lsagri slagri ralsgi arlsgi rlasgi lrasgi alrsgi larsgi raslgi arslgi rsalgi sralgi asrlgi sarlgi rlsagi lrsagi rslagi srlagi lsragi slragi alsrgi lasrgi aslrgi salrgi lsargi slargi grilsa rgilsa girlsa igrlsa riglsa irglsa grlisa rglisa glrisa lgrisa rlgisa lrgisa gilrsa iglrsa glirsa lgirsa ilgrsa ligrsa rilgsa irlgsa rligsa lrigsa ilrgsa lirgsa grisla rgisla girsla igrsla rigsla irgsla grsila rgsila gsrila sgrila rsgila srgila gisrla igsrla gsirla sgirla isgrla sigrla risgla irsgla rsigla srigla isrgla sirgla grlsia rglsia glrsia lgrsia rlgsia lrgsia grslia rgslia gsrlia sgrlia rsglia srglia glsria lgsria gslria sglria lsgria slgria rlsgia lrsgia rslgia srlgia lsrgia slrgia gilsra iglsra glisra lgisra ilgsra ligsra gislra igslra gsilra sgilra isglra siglra glsira lgsira gslira sglira lsgira slgira ilsgra lisgra islgra silgra lsigra sligra rilsga irlsga rlisga lrisga ilrsga lirsga rislga irslga rsilga srilga isrlga sirlga rlsiga lrsiga rsliga srliga lsriga slriga ilsrga lisrga islrga silrga lsirga slirga gailsr agilsr gialsr igalsr aiglsr iaglsr galisr aglisr glaisr lgaisr algisr lagisr gilasr iglasr gliasr lgiasr ilgasr ligasr ailgsr ialgsr aligsr laigsr ilagsr liagsr gaislr agislr giaslr igaslr aigslr iagslr gasilr agsilr gsailr sgailr asgilr sagilr gisalr igsalr gsialr sgialr isgalr sigalr aisglr iasglr asiglr saiglr isaglr siaglr galsir aglsir glasir lgasir algsir lagsir gaslir agslir gsalir sgalir asglir saglir glsair lgsair gslair sglair lsgair slgair alsgir lasgir aslgir salgir lsagir slagir gilsar iglsar glisar lgisar ilgsar ligsar gislar igslar gsilar sgilar isglar siglar glsiar lgsiar gsliar sgliar lsgiar slgiar ilsgar lisgar islgar silgar lsigar sligar ailsgr ialsgr alisgr laisgr ilasgr liasgr aislgr iaslgr asilgr sailgr isalgr sialgr alsigr lasigr asligr saligr lsaigr slaigr ilsagr lisagr islagr silagr lsiagr sliagr railsg arilsg rialsg iralsg airlsg iarlsg ralisg arlisg rlaisg lraisg alrisg larisg rilasg irlasg rliasg lriasg ilrasg lirasg ailrsg ialrsg alirsg lairsg ilarsg liarsg raislg arislg riaslg iraslg airslg iarslg rasilg arsilg rsailg srailg asrilg sarilg risalg irsalg rsialg srialg isralg siralg aisrlg iasrlg asirlg sairlg isarlg siarlg ralsig arlsig rlasig lrasig alrsig larsig raslig arslig rsalig sralig asrlig sarlig rlsaig lrsaig rslaig srlaig lsraig slraig alsrig lasrig aslrig salrig lsarig slarig rilsag irlsag rlisag lrisag ilrsag lirsag rislag irslag rsilag srilag isrlag sirlag rlsiag lrsiag rsliag srliag lsriag slriag ilsrag lisrag islrag silrag lsirag slirag ailsrg ialsrg alisrg laisrg ilasrg liasrg aislrg iaslrg asilrg sailrg isalrg sialrg alsirg lasirg aslirg salirg lsairg slairg ilsarg lisarg islarg silarg lsiarg sliarg
Note: these 'words' (valid or invalid) are all the permutations of the word grails. These words are obtained by scrambling the letters in grails.