insure nisure isnure sinure nsiure sniure inusre niusre iunsre uinsre nuisre unisre isunre siunre iusnre uisnre suinre usinre nsuire snuire nusire unsire sunire usnire insrue nisrue isnrue sinrue nsirue snirue inrsue nirsue irnsue rinsue nrisue rnisue isrnue sirnue irsnue risnue srinue rsinue nsriue snriue nrsiue rnsiue srniue rsniue inurse niurse iunrse uinrse nuirse unirse inruse niruse irnuse rinuse nriuse rniuse iurnse uirnse irunse riunse urinse ruinse nurise unrise nruise rnuise urnise runise isurne siurne iusrne uisrne suirne usirne isrune sirune irsune risune sriune rsiune iursne uirsne irusne riusne urisne ruisne surine usrine sruine rsuine ursine rusine nsurie snurie nusrie unsrie sunrie usnrie nsruie snruie nrsuie rnsuie srnuie rsnuie nursie unrsie nrusie rnusie urnsie runsie surnie usrnie srunie rsunie ursnie rusnie insuer nisuer isnuer sinuer nsiuer sniuer inuser niuser iunser uinser nuiser uniser isuner siuner iusner uisner suiner usiner nsuier snuier nusier unsier sunier usnier inseur niseur isneur sineur nsieur snieur inesur niesur iensur einsur neisur enisur isenur sienur iesnur eisnur seinur esinur nseiur sneiur nesiur ensiur seniur esniur inuesr niuesr iunesr uinesr nuiesr uniesr ineusr nieusr ienusr einusr neiusr eniusr iuensr uiensr ieunsr eiunsr ueinsr euinsr nueisr uneisr neuisr enuisr uenisr eunisr isuenr siuenr iusenr uisenr suienr usienr iseunr sieunr iesunr eisunr seiunr esiunr iuesnr uiesnr ieusnr eiusnr ueisnr euisnr sueinr useinr seuinr esuinr uesinr eusinr nsueir snueir nuseir unseir suneir usneir nseuir sneuir nesuir ensuir senuir esnuir nuesir unesir neusir enusir uensir eunsir suenir usenir seunir esunir uesnir eusnir insreu nisreu isnreu sinreu nsireu snireu inrseu nirseu irnseu rinseu nriseu rniseu isrneu sirneu irsneu risneu srineu rsineu nsrieu snrieu nrsieu rnsieu srnieu rsnieu inseru niseru isneru sineru nsieru snieru inesru niesru iensru einsru neisru enisru isenru sienru iesnru eisnru seinru esinru nseiru sneiru nesiru ensiru seniru esniru inresu niresu irnesu rinesu nriesu rniesu inersu niersu ienrsu einrsu neirsu enirsu irensu riensu iernsu eirnsu reinsu erinsu nreisu rneisu nerisu enrisu renisu ernisu isrenu sirenu irsenu risenu srienu rsienu isernu siernu iesrnu eisrnu seirnu esirnu iresnu riesnu iersnu eirsnu reisnu erisnu sreinu rseinu serinu esrinu resinu ersinu nsreiu snreiu nrseiu rnseiu srneiu rsneiu nseriu sneriu nesriu ensriu senriu esnriu nresiu rnesiu nersiu enrsiu rensiu ernsiu sreniu rseniu serniu esrniu resniu ersniu inures niures iunres uinres nuires unires inrues nirues irnues rinues nriues rniues iurnes uirnes irunes riunes urines ruines nuries unries nruies rnuies urnies runies inuers niuers iuners uiners nuiers uniers ineurs nieurs ienurs einurs neiurs eniurs iuenrs uienrs ieunrs eiunrs ueinrs euinrs nueirs uneirs neuirs enuirs uenirs eunirs inreus nireus irneus rineus nrieus rnieus inerus nierus ienrus einrus neirus enirus irenus rienus iernus eirnus reinus erinus nreius rneius nerius enrius renius ernius iurens uirens iruens riuens uriens ruiens iuerns uierns ieurns eiurns ueirns euirns ireuns rieuns ieruns eiruns reiuns eriuns ureins rueins uerins eurins reuins eruins nureis unreis nrueis rnueis urneis runeis nueris uneris neuris enuris uenris eunris nreuis rneuis neruis enruis renuis ernuis urenis ruenis uernis eurnis reunis erunis isuren siuren iusren uisren suiren usiren isruen siruen irsuen risuen sriuen rsiuen iursen uirsen irusen riusen urisen ruisen surien usrien sruien rsuien ursien rusien isuern siuern iusern uisern suiern usiern iseurn sieurn iesurn eisurn seiurn esiurn iuesrn uiesrn ieusrn eiusrn ueisrn euisrn sueirn useirn seuirn esuirn uesirn eusirn isreun sireun irseun riseun srieun rsieun iserun sierun iesrun eisrun seirun esirun iresun riesun iersun eirsun reisun erisun sreiun rseiun seriun esriun resiun ersiun iuresn uiresn iruesn riuesn uriesn ruiesn iuersn uiersn ieursn eiursn ueirsn euirsn ireusn rieusn ierusn eirusn reiusn eriusn ureisn rueisn uerisn eurisn reuisn eruisn surein usrein sruein rsuein ursein rusein suerin userin seurin esurin uesrin eusrin sreuin rseuin seruin esruin resuin ersuin uresin ruesin uersin eursin reusin erusin nsurei snurei nusrei unsrei sunrei usnrei nsruei snruei nrsuei rnsuei srnuei rsnuei nursei unrsei nrusei rnusei urnsei runsei surnei usrnei srunei rsunei ursnei rusnei nsueri snueri nuseri unseri suneri usneri nseuri sneuri nesuri ensuri senuri esnuri nuesri unesri neusri enusri uensri eunsri suenri usenri seunri esunri uesnri eusnri nsreui snreui nrseui rnseui srneui rsneui nserui snerui nesrui ensrui senrui esnrui nresui rnesui nersui enrsui rensui ernsui srenui rsenui sernui esrnui resnui ersnui nuresi unresi nruesi rnuesi urnesi runesi nuersi unersi neursi enursi uenrsi eunrsi nreusi rneusi nerusi enrusi renusi ernusi urensi ruensi uernsi eurnsi reunsi erunsi sureni usreni srueni rsueni urseni ruseni suerni userni seurni esurni uesrni eusrni sreuni rseuni seruni esruni resuni ersuni uresni ruesni uersni eursni reusni erusni
Note: these 'words' (valid or invalid) are all the permutations of the word insure. These words are obtained by scrambling the letters in insure.