during udring druing rduing urding ruding duirng udirng diurng idurng uidrng iudrng driung rdiung dirung idrung ridung irdung uridng ruidng uirdng iurdng riudng irudng durnig udrnig drunig rdunig urdnig rudnig dunrig udnrig dnurig ndurig undrig nudrig drnuig rdnuig dnruig ndruig rnduig nrduig urndig rundig unrdig nurdig rnudig nrudig duinrg udinrg diunrg idunrg uidnrg iudnrg dunirg udnirg dnuirg nduirg undirg nudirg dinurg idnurg dniurg ndiurg indurg nidurg uindrg iundrg unidrg nuidrg inudrg niudrg drinug rdinug dirnug idrnug ridnug irdnug drniug rdniug dnriug ndriug rndiug nrdiug dinrug idnrug dnirug ndirug indrug nidrug rindug irndug rnidug nridug inrdug nirdug urindg ruindg uirndg iurndg riundg irundg urnidg runidg unridg nuridg rnuidg nruidg uinrdg iunrdg unirdg nuirdg inurdg niurdg rinudg irnudg rniudg nriudg inrudg nirudg durign udrign druign rduign urdign rudign duirgn udirgn diurgn idurgn uidrgn iudrgn driugn rdiugn dirugn idrugn ridugn irdugn uridgn ruidgn uirdgn iurdgn riudgn irudgn durgin udrgin drugin rdugin urdgin rudgin dugrin udgrin dgurin gdurin ugdrin gudrin drguin rdguin dgruin gdruin rgduin grduin urgdin rugdin ugrdin gurdin rgudin grudin duigrn udigrn diugrn idugrn uidgrn iudgrn dugirn udgirn dguirn gduirn ugdirn gudirn digurn idgurn dgiurn gdiurn igdurn gidurn uigdrn iugdrn ugidrn guidrn igudrn giudrn drigun rdigun dirgun idrgun ridgun irdgun drgiun rdgiun dgriun gdriun rgdiun grdiun digrun idgrun dgirun gdirun igdrun gidrun rigdun irgdun rgidun gridun igrdun girdun urigdn ruigdn uirgdn iurgdn riugdn irugdn urgidn rugidn ugridn guridn rguidn gruidn uigrdn iugrdn ugirdn guirdn igurdn giurdn rigudn irgudn rgiudn griudn igrudn girudn durngi udrngi drungi rdungi urdngi rudngi dunrgi udnrgi dnurgi ndurgi undrgi nudrgi drnugi rdnugi dnrugi ndrugi rndugi nrdugi urndgi rundgi unrdgi nurdgi rnudgi nrudgi durgni udrgni drugni rdugni urdgni rudgni dugrni udgrni dgurni gdurni ugdrni gudrni drguni rdguni dgruni gdruni rgduni grduni urgdni rugdni ugrdni gurdni rgudni grudni dungri udngri dnugri ndugri undgri nudgri dugnri udgnri dgunri gdunri ugdnri gudnri dnguri ndguri dgnuri gdnuri ngduri gnduri ungdri nugdri ugndri gundri ngudri gnudri drngui rdngui dnrgui ndrgui rndgui nrdgui drgnui rdgnui dgrnui gdrnui rgdnui grdnui dngrui ndgrui dgnrui gdnrui ngdrui gndrui rngdui nrgdui rgndui grndui ngrdui gnrdui urngdi rungdi unrgdi nurgdi rnugdi nrugdi urgndi rugndi ugrndi gurndi rgundi grundi ungrdi nugrdi ugnrdi gunrdi ngurdi gnurdi rngudi nrgudi rgnudi grnudi ngrudi gnrudi duingr udingr diungr idungr uidngr iudngr dunigr udnigr dnuigr nduigr undigr nudigr dinugr idnugr dniugr ndiugr indugr nidugr uindgr iundgr unidgr nuidgr inudgr niudgr duignr udignr diugnr idugnr uidgnr iudgnr duginr udginr dguinr gduinr ugdinr gudinr digunr idgunr dgiunr gdiunr igdunr gidunr uigdnr iugdnr ugidnr guidnr igudnr giudnr dungir udngir dnugir ndugir undgir nudgir dugnir udgnir dgunir gdunir ugdnir gudnir dnguir ndguir dgnuir gdnuir ngduir gnduir ungdir nugdir ugndir gundir ngudir gnudir dingur idngur dnigur ndigur indgur nidgur dignur idgnur dginur gdinur igdnur gidnur dngiur ndgiur dgniur gdniur ngdiur gndiur ingdur nigdur igndur gindur ngidur gnidur uingdr iungdr unigdr nuigdr inugdr niugdr uigndr iugndr ugindr guindr igundr giundr ungidr nugidr ugnidr gunidr nguidr gnuidr ingudr nigudr ignudr ginudr ngiudr gniudr dringu rdingu dirngu idrngu ridngu irdngu drnigu rdnigu dnrigu ndrigu rndigu nrdigu dinrgu idnrgu dnirgu ndirgu indrgu nidrgu rindgu irndgu rnidgu nridgu inrdgu nirdgu drignu rdignu dirgnu idrgnu ridgnu irdgnu drginu rdginu dgrinu gdrinu rgdinu grdinu digrnu idgrnu dgirnu gdirnu igdrnu gidrnu rigdnu irgdnu rgidnu gridnu igrdnu girdnu drngiu rdngiu dnrgiu ndrgiu rndgiu nrdgiu drgniu rdgniu dgrniu gdrniu rgdniu grdniu dngriu ndgriu dgnriu gdnriu ngdriu gndriu rngdiu nrgdiu rgndiu grndiu ngrdiu gnrdiu dingru idngru dnigru ndigru indgru nidgru dignru idgnru dginru gdinru igdnru gidnru dngiru ndgiru dgniru gdniru ngdiru gndiru ingdru nigdru igndru gindru ngidru gnidru ringdu irngdu rnigdu nrigdu inrgdu nirgdu rigndu irgndu rgindu grindu igrndu girndu rngidu nrgidu rgnidu grnidu ngridu gnridu ingrdu nigrdu ignrdu ginrdu ngirdu gnirdu uringd ruingd uirngd iurngd riungd irungd urnigd runigd unrigd nurigd rnuigd nruigd uinrgd iunrgd unirgd nuirgd inurgd niurgd rinugd irnugd rniugd nriugd inrugd nirugd urignd ruignd uirgnd iurgnd riugnd irugnd urgind rugind ugrind gurind rguind gruind uigrnd iugrnd ugirnd guirnd igurnd giurnd rigund irgund rgiund griund igrund girund urngid rungid unrgid nurgid rnugid nrugid urgnid rugnid ugrnid gurnid rgunid grunid ungrid nugrid ugnrid gunrid ngurid gnurid rnguid nrguid rgnuid grnuid ngruid gnruid uingrd iungrd unigrd nuigrd inugrd niugrd uignrd iugnrd uginrd guinrd igunrd giunrd ungird nugird ugnird gunird nguird gnuird ingurd nigurd ignurd ginurd ngiurd gniurd ringud irngud rnigud nrigud inrgud nirgud rignud irgnud rginud grinud igrnud girnud rngiud nrgiud rgniud grniud ngriud gnriud ingrud nigrud ignrud ginrud ngirud gnirud
Note: these 'words' (valid or invalid) are all the permutations of the word during. These words are obtained by scrambling the letters in during.