reagin eragin raegin aregin eargin aergin regain ergain rgeain greain egrain gerain ragein argein rgaein graein agrein garein eagrin aegrin egarin gearin agerin gaerin reaign eraign raeign areign earign aerign reiagn eriagn rieagn ireagn eiragn ieragn raiegn ariegn riaegn iraegn airegn iaregn eairgn aeirgn eiargn ieargn aiergn iaergn regian ergian rgeian greian egrian gerian reigan erigan riegan iregan eirgan iergan rgiean griean rigean irgean girean igrean egiran geiran eigran iegran gieran igeran ragien argien rgaien graien agrien garien raigen arigen riagen iragen airgen iargen rgiaen griaen rigaen irgaen giraen igraen agiren gairen aigren iagren giaren igaren eagirn aegirn egairn geairn ageirn gaeirn eaigrn aeigrn eiagrn ieagrn aiegrn iaegrn egiarn geiarn eigarn iegarn giearn igearn agiern gaiern aigern iagern giaern igaern reagni eragni raegni aregni eargni aergni regani ergani rgeani greani egrani gerani rageni argeni rgaeni graeni agreni gareni eagrni aegrni egarni gearni agerni gaerni reangi erangi raengi arengi earngi aerngi renagi ernagi rneagi nreagi enragi neragi ranegi arnegi rnaegi nraegi anregi naregi eanrgi aenrgi enargi neargi anergi naergi regnai ergnai rgenai grenai egrnai gernai rengai erngai rnegai nregai enrgai nergai rgneai grneai rngeai nrgeai gnreai ngreai egnrai genrai engrai negrai gnerai ngerai ragnei argnei rganei granei agrnei garnei rangei arngei rnagei nragei anrgei nargei rgnaei grnaei rngaei nrgaei gnraei ngraei agnrei ganrei angrei nagrei gnarei ngarei eagnri aegnri eganri geanri agenri gaenri eangri aengri enagri neagri anegri naegri egnari genari engari negari gneari ngeari agneri ganeri angeri nageri gnaeri ngaeri reaing eraing raeing areing earing aering reiang eriang rieang ireang eirang ierang raieng arieng riaeng iraeng aireng iareng eairng aeirng eiarng iearng aierng iaerng reanig eranig raenig arenig earnig aernig renaig ernaig rneaig nreaig enraig neraig raneig arneig rnaeig nraeig anreig nareig eanrig aenrig enarig nearig anerig naerig reinag erinag rienag irenag eirnag iernag reniag erniag rneiag nreiag enriag neriag rineag irneag rnieag nrieag inreag nireag einrag ienrag enirag neirag inerag nierag raineg arineg rianeg iraneg airneg iarneg ranieg arnieg rnaieg nraieg anrieg narieg rinaeg irnaeg rniaeg nriaeg inraeg niraeg ainreg ianreg anireg naireg inareg niareg eainrg aeinrg eianrg ieanrg aienrg iaenrg eanirg aenirg enairg neairg aneirg naeirg einarg ienarg eniarg neiarg inearg niearg ainerg ianerg anierg naierg inaerg niaerg regina ergina rgeina greina egrina gerina reigna erigna riegna iregna eirgna iergna rgiena griena rigena irgena girena igrena egirna geirna eigrna iegrna gierna igerna regnia ergnia rgenia grenia egrnia gernia rengia erngia rnegia nregia enrgia nergia rgneia grneia rngeia nrgeia gnreia ngreia egnria genria engria negria gneria ngeria reinga eringa rienga irenga eirnga iernga reniga erniga rneiga nreiga enriga neriga rinega irnega rniega nriega inrega nirega einrga ienrga enirga neirga inerga nierga rginea grinea rignea irgnea girnea igrnea rgniea grniea rngiea nrgiea gnriea ngriea ringea irngea rnigea nrigea inrgea nirgea ginrea ignrea gnirea ngirea ingrea nigrea eginra geinra eignra iegnra gienra igenra egnira genira engira negira gneira ngeira eingra iengra enigra neigra inegra niegra ginera ignera gniera ngiera ingera nigera ragine argine rgaine graine agrine garine raigne arigne riagne iragne airgne iargne rgiane griane rigane irgane girane igrane agirne gairne aigrne iagrne giarne igarne ragnie argnie rganie granie agrnie garnie rangie arngie rnagie nragie anrgie nargie rgnaie grnaie rngaie nrgaie gnraie ngraie agnrie ganrie angrie nagrie gnarie ngarie rainge aringe riange irange airnge iarnge ranige arnige rnaige nraige anrige narige rinage irnage rniage nriage inrage nirage ainrge ianrge anirge nairge inarge niarge rginae grinae rignae irgnae girnae igrnae rgniae grniae rngiae nrgiae gnriae ngriae ringae irngae rnigae nrigae inrgae nirgae ginrae ignrae gnirae ngirae ingrae nigrae aginre gainre aignre iagnre gianre iganre agnire ganire angire nagire gnaire ngaire aingre iangre anigre naigre inagre niagre ginare ignare gniare ngiare ingare nigare eaginr aeginr egainr geainr ageinr gaeinr eaignr aeignr eiagnr ieagnr aiegnr iaegnr egianr geianr eiganr ieganr gieanr igeanr agienr gaienr aigenr iagenr giaenr igaenr eagnir aegnir eganir geanir agenir gaenir eangir aengir enagir neagir anegir naegir egnair genair engair negair gneair ngeair agneir ganeir angeir nageir gnaeir ngaeir eaingr aeingr eiangr ieangr aiengr iaengr eanigr aenigr enaigr neaigr aneigr naeigr einagr ienagr eniagr neiagr ineagr nieagr ainegr ianegr aniegr naiegr inaegr niaegr eginar geinar eignar iegnar gienar igenar egniar geniar engiar negiar gneiar ngeiar eingar iengar enigar neigar inegar niegar ginear ignear gniear ngiear ingear nigear aginer gainer aigner iagner gianer iganer agnier ganier angier nagier gnaier ngaier ainger ianger aniger naiger inager niager ginaer ignaer gniaer ngiaer ingaer nigaer
Note: these 'words' (valid or invalid) are all the permutations of the word reagin. These words are obtained by scrambling the letters in reagin.