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