dinger idnger dniger ndiger indger nidger digner idgner dginer gdiner igdner gidner dngier ndgier dgnier gdnier ngdier gndier ingder nigder ignder ginder ngider gnider dinegr idnegr dniegr ndiegr indegr nidegr diengr idengr deingr edingr iedngr eidngr dneigr ndeigr denigr ednigr nedigr endigr inedgr niedgr iendgr eindgr neidgr enidgr digenr idgenr dgienr gdienr igdenr gidenr diegnr idegnr deignr edignr iedgnr eidgnr dgeinr gdeinr deginr edginr gedinr egdinr igednr giednr iegdnr eigdnr geidnr egidnr dngeir ndgeir dgneir gdneir ngdeir gndeir dnegir ndegir dengir edngir nedgir endgir dgenir gdenir degnir edgnir gednir egdnir ngedir gnedir negdir engdir gendir egndir ingedr nigedr ignedr ginedr ngiedr gniedr inegdr niegdr iengdr eingdr neigdr enigdr igendr giendr iegndr eigndr geindr egindr ngeidr gneidr negidr engidr genidr egnidr dingre idngre dnigre ndigre indgre nidgre dignre idgnre dginre gdinre igdnre gidnre dngire ndgire dgnire gdnire ngdire gndire ingdre nigdre igndre gindre ngidre gnidre dinrge idnrge dnirge ndirge indrge nidrge dirnge idrnge dringe rdinge irdnge ridnge dnrige ndrige drnige rdnige nrdige rndige inrdge nirdge irndge rindge nridge rnidge digrne idgrne dgirne gdirne igdrne gidrne dirgne idrgne drigne rdigne irdgne ridgne dgrine gdrine drgine rdgine grdine rgdine igrdne girdne irgdne rigdne gridne rgidne dngrie ndgrie dgnrie gdnrie ngdrie gndrie dnrgie ndrgie drngie rdngie nrdgie rndgie dgrnie gdrnie drgnie rdgnie grdnie rgdnie ngrdie gnrdie nrgdie rngdie grndie rgndie ingrde nigrde ignrde ginrde ngirde gnirde inrgde nirgde irngde ringde nrigde rnigde igrnde girnde irgnde rignde grinde rginde ngride gnride nrgide rngide grnide rgnide dinerg idnerg dnierg ndierg inderg niderg dienrg idenrg deinrg edinrg iednrg eidnrg dneirg ndeirg denirg ednirg nedirg endirg inedrg niedrg iendrg eindrg neidrg enidrg dinreg idnreg dnireg ndireg indreg nidreg dirneg idrneg drineg rdineg irdneg ridneg dnrieg ndrieg drnieg rdnieg nrdieg rndieg inrdeg nirdeg irndeg rindeg nrideg rnideg dierng iderng deirng edirng iedrng eidrng direng idreng drieng rdieng irdeng rideng dering edring dreing rdeing erding reding ierdng eirdng iredng riedng eridng reidng dnerig nderig denrig ednrig nedrig endrig dnreig ndreig drneig rdneig nrdeig rndeig dernig edrnig drenig rdenig erdnig rednig nerdig enrdig nredig rnedig erndig rendig inerdg nierdg ienrdg einrdg neirdg enirdg inredg niredg irnedg rinedg nriedg rniedg ierndg eirndg irendg riendg erindg reindg neridg enridg nreidg rneidg ernidg renidg digern idgern dgiern gdiern igdern gidern diegrn idegrn deigrn edigrn iedgrn eidgrn dgeirn gdeirn degirn edgirn gedirn egdirn igedrn giedrn iegdrn eigdrn geidrn egidrn digren idgren dgiren gdiren igdren gidren dirgen idrgen drigen rdigen irdgen ridgen dgrien gdrien drgien rdgien grdien rgdien igrden girden irgden rigden griden rgiden diergn idergn deirgn edirgn iedrgn eidrgn diregn idregn driegn rdiegn irdegn ridegn derign edrign dreign rdeign erdign redign ierdgn eirdgn iredgn riedgn eridgn reidgn dgerin gderin degrin edgrin gedrin egdrin dgrein gdrein drgein rdgein grdein rgdein dergin edrgin dregin rdegin erdgin redgin gerdin egrdin gredin rgedin ergdin regdin igerdn gierdn iegrdn eigrdn geirdn egirdn igredn giredn irgedn rigedn griedn rgiedn iergdn eirgdn iregdn riegdn erigdn reigdn geridn egridn greidn rgeidn ergidn regidn dngeri ndgeri dgneri gdneri ngderi gnderi dnegri ndegri dengri edngri nedgri endgri dgenri gdenri degnri edgnri gednri egdnri ngedri gnedri negdri engdri gendri egndri dngrei ndgrei dgnrei gdnrei ngdrei gndrei dnrgei ndrgei drngei rdngei nrdgei rndgei dgrnei gdrnei drgnei rdgnei grdnei rgdnei ngrdei gnrdei nrgdei rngdei grndei rgndei dnergi ndergi denrgi ednrgi nedrgi endrgi dnregi ndregi drnegi rdnegi nrdegi rndegi derngi edrngi drengi rdengi erdngi redngi nerdgi enrdgi nredgi rnedgi erndgi rendgi dgerni gderni degrni edgrni gedrni egdrni dgreni gdreni drgeni rdgeni grdeni rgdeni dergni edrgni dregni rdegni erdgni redgni gerdni egrdni gredni rgedni ergdni regdni ngerdi gnerdi negrdi engrdi genrdi egnrdi ngredi gnredi nrgedi rngedi grnedi rgnedi nergdi enrgdi nregdi rnegdi erngdi rengdi gerndi egrndi grendi rgendi ergndi regndi ingerd nigerd ignerd ginerd ngierd gnierd inegrd niegrd iengrd eingrd neigrd enigrd igenrd gienrd iegnrd eignrd geinrd eginrd ngeird gneird negird engird genird egnird ingred nigred ignred ginred ngired gnired inrged nirged irnged ringed nriged rniged igrned girned irgned rigned grined rgined ngried gnried nrgied rngied grnied rgnied inergd niergd ienrgd einrgd neirgd enirgd inregd niregd irnegd rinegd nriegd rniegd ierngd eirngd irengd riengd eringd reingd nerigd enrigd nreigd rneigd ernigd renigd igernd giernd iegrnd eigrnd geirnd egirnd igrend girend irgend rigend griend rgiend iergnd eirgnd iregnd riegnd erignd reignd gerind egrind greind rgeind ergind regind ngerid gnerid negrid engrid genrid egnrid ngreid gnreid nrgeid rngeid grneid rgneid nergid enrgid nregid rnegid erngid rengid gernid egrnid grenid rgenid ergnid regnid
Note: these 'words' (valid or invalid) are all the permutations of the word dinger. These words are obtained by scrambling the letters in dinger.