incurs nicurs icnurs cinurs nciurs cniurs inucrs niucrs iuncrs uincrs nuicrs unicrs icunrs ciunrs iucnrs uicnrs cuinrs ucinrs ncuirs cnuirs nucirs uncirs cunirs ucnirs incrus nicrus icnrus cinrus ncirus cnirus inrcus nircus irncus rincus nricus rnicus icrnus cirnus ircnus ricnus crinus rcinus ncrius cnrius nrcius rncius crnius rcnius inurcs niurcs iunrcs uinrcs nuircs unircs inrucs nirucs irnucs rinucs nriucs rniucs iurncs uirncs iruncs riuncs urincs ruincs nurics unrics nruics rnuics urnics runics icurns ciurns iucrns uicrns cuirns ucirns icruns ciruns ircuns ricuns criuns rciuns iurcns uircns irucns riucns uricns ruicns curins ucrins cruins rcuins urcins rucins ncuris cnuris nucris uncris cunris ucnris ncruis cnruis nrcuis rncuis crnuis rcnuis nurcis unrcis nrucis rnucis urncis runcis curnis ucrnis crunis rcunis urcnis rucnis incusr nicusr icnusr cinusr nciusr cniusr inucsr niucsr iuncsr uincsr nuicsr unicsr icunsr ciunsr iucnsr uicnsr cuinsr ucinsr ncuisr cnuisr nucisr uncisr cunisr ucnisr incsur nicsur icnsur cinsur ncisur cnisur inscur niscur isncur sincur nsicur snicur icsnur cisnur iscnur sicnur csinur scinur ncsiur cnsiur nsciur snciur csniur scniur inuscr niuscr iunscr uinscr nuiscr uniscr insucr nisucr isnucr sinucr nsiucr sniucr iusncr uisncr isuncr siuncr usincr suincr nusicr unsicr nsuicr snuicr usnicr sunicr icusnr ciusnr iucsnr uicsnr cuisnr ucisnr icsunr cisunr iscunr sicunr csiunr sciunr iuscnr uiscnr isucnr siucnr usicnr suicnr cusinr ucsinr csuinr scuinr uscinr sucinr ncusir cnusir nucsir uncsir cunsir ucnsir ncsuir cnsuir nscuir sncuir csnuir scnuir nuscir unscir nsucir snucir usncir suncir cusnir ucsnir csunir scunir uscnir sucnir incrsu nicrsu icnrsu cinrsu ncirsu cnirsu inrcsu nircsu irncsu rincsu nricsu rnicsu icrnsu cirnsu ircnsu ricnsu crinsu rcinsu ncrisu cnrisu nrcisu rncisu crnisu rcnisu incsru nicsru icnsru cinsru ncisru cnisru inscru niscru isncru sincru nsicru snicru icsnru cisnru iscnru sicnru csinru scinru ncsiru cnsiru nsciru snciru csniru scniru inrscu nirscu irnscu rinscu nriscu rniscu insrcu nisrcu isnrcu sinrcu nsircu snircu irsncu risncu isrncu sirncu rsincu srincu nrsicu rnsicu nsricu snricu rsnicu srnicu icrsnu cirsnu ircsnu ricsnu crisnu rcisnu icsrnu cisrnu iscrnu sicrnu csirnu scirnu irscnu riscnu isrcnu sircnu rsicnu sricnu crsinu rcsinu csrinu scrinu rscinu srcinu ncrsiu cnrsiu nrcsiu rncsiu crnsiu rcnsiu ncsriu cnsriu nscriu sncriu csnriu scnriu nrsciu rnsciu nsrciu snrciu rsnciu srnciu crsniu rcsniu csrniu scrniu rscniu srcniu inursc niursc iunrsc uinrsc nuirsc unirsc inrusc nirusc irnusc rinusc nriusc rniusc iurnsc uirnsc irunsc riunsc urinsc ruinsc nurisc unrisc nruisc rnuisc urnisc runisc inusrc niusrc iunsrc uinsrc nuisrc unisrc insurc nisurc isnurc sinurc nsiurc sniurc iusnrc uisnrc isunrc siunrc usinrc suinrc nusirc unsirc nsuirc snuirc usnirc sunirc inrsuc nirsuc irnsuc rinsuc nrisuc rnisuc insruc nisruc isnruc sinruc nsiruc sniruc irsnuc risnuc isrnuc sirnuc rsinuc srinuc nrsiuc rnsiuc nsriuc snriuc rsniuc srniuc iursnc uirsnc irusnc riusnc urisnc ruisnc iusrnc uisrnc isurnc siurnc usirnc suirnc irsunc risunc isrunc sirunc rsiunc sriunc ursinc rusinc usrinc surinc rsuinc sruinc nursic unrsic nrusic rnusic urnsic runsic nusric unsric nsuric snuric usnric sunric nrsuic rnsuic nsruic snruic rsnuic srnuic ursnic rusnic usrnic surnic rsunic srunic icursn ciursn iucrsn uicrsn cuirsn ucirsn icrusn cirusn ircusn ricusn criusn rciusn iurcsn uircsn irucsn riucsn uricsn ruicsn curisn ucrisn cruisn rcuisn urcisn rucisn icusrn ciusrn iucsrn uicsrn cuisrn ucisrn icsurn cisurn iscurn sicurn csiurn sciurn iuscrn uiscrn isucrn siucrn usicrn suicrn cusirn ucsirn csuirn scuirn uscirn sucirn icrsun cirsun ircsun ricsun crisun rcisun icsrun cisrun iscrun sicrun csirun scirun irscun riscun isrcun sircun rsicun sricun crsiun rcsiun csriun scriun rsciun srciun iurscn uirscn iruscn riuscn uriscn ruiscn iusrcn uisrcn isurcn siurcn usircn suircn irsucn risucn isrucn sirucn rsiucn sriucn ursicn rusicn usricn suricn rsuicn sruicn cursin ucrsin crusin rcusin urcsin rucsin cusrin ucsrin csurin scurin uscrin sucrin crsuin rcsuin csruin scruin rscuin srcuin urscin ruscin usrcin surcin rsucin srucin ncursi cnursi nucrsi uncrsi cunrsi ucnrsi ncrusi cnrusi nrcusi rncusi crnusi rcnusi nurcsi unrcsi nrucsi rnucsi urncsi runcsi curnsi ucrnsi crunsi rcunsi urcnsi rucnsi ncusri cnusri nucsri uncsri cunsri ucnsri ncsuri cnsuri nscuri sncuri csnuri scnuri nuscri unscri nsucri snucri usncri suncri cusnri ucsnri csunri scunri uscnri sucnri ncrsui cnrsui nrcsui rncsui crnsui rcnsui ncsrui cnsrui nscrui sncrui csnrui scnrui nrscui rnscui nsrcui snrcui rsncui srncui crsnui rcsnui csrnui scrnui rscnui srcnui nursci unrsci nrusci rnusci urnsci runsci nusrci unsrci nsurci snurci usnrci sunrci nrsuci rnsuci nsruci snruci rsnuci srnuci ursnci rusnci usrnci surnci rsunci srunci cursni ucrsni crusni rcusni urcsni rucsni cusrni ucsrni csurni scurni uscrni sucrni crsuni rcsuni csruni scruni rscuni srcuni urscni ruscni usrcni surcni rsucni srucni
Note: these 'words' (valid or invalid) are all the permutations of the word incurs. These words are obtained by scrambling the letters in incurs.