bourns oburns buorns uborns oubrns uobrns boruns obruns brouns rbouns orbuns robuns burons ubrons bruons rbuons urbons rubons ourbns uorbns orubns roubns urobns ruobns bounrs obunrs buonrs ubonrs oubnrs uobnrs bonurs obnurs bnours nbours onburs noburs bunors ubnors bnuors nbuors unbors nubors ounbrs uonbrs onubrs noubrs unobrs nuobrs bornus obrnus bronus rbonus orbnus robnus bonrus obnrus bnorus nborus onbrus nobrus brnous rbnous bnrous nbrous rnbous nrbous ornbus ronbus onrbus norbus rnobus nrobus burnos ubrnos brunos rbunos urbnos rubnos bunros ubnros bnuros nburos unbros nubros brnuos rbnuos bnruos nbruos rnbuos nrbuos urnbos runbos unrbos nurbos rnubos nrubos ournbs uornbs orunbs rounbs uronbs ruonbs ounrbs uonrbs onurbs nourbs unorbs nuorbs ornubs ronubs onrubs norubs rnoubs nroubs urnobs runobs unrobs nurobs rnuobs nruobs boursn obursn buorsn uborsn oubrsn uobrsn borusn obrusn brousn rbousn orbusn robusn burosn ubrosn bruosn rbuosn urbosn rubosn ourbsn uorbsn orubsn roubsn urobsn ruobsn bousrn obusrn buosrn ubosrn oubsrn uobsrn bosurn obsurn bsourn sbourn osburn soburn busorn ubsorn bsuorn sbuorn usborn suborn ousbrn uosbrn osubrn soubrn usobrn suobrn borsun obrsun brosun rbosun orbsun robsun bosrun obsrun bsorun sborun osbrun sobrun brsoun rbsoun bsroun sbroun rsboun srboun orsbun rosbun osrbun sorbun rsobun srobun burson ubrson bruson rbuson urbson rubson busron ubsron bsuron sburon usbron subron brsuon rbsuon bsruon sbruon rsbuon srbuon ursbon rusbon usrbon surbon rsubon srubon oursbn uorsbn orusbn rousbn urosbn ruosbn ousrbn uosrbn osurbn sourbn usorbn suorbn orsubn rosubn osrubn sorubn rsoubn sroubn ursobn rusobn usrobn surobn rsuobn sruobn bounsr obunsr buonsr ubonsr oubnsr uobnsr bonusr obnusr bnousr nbousr onbusr nobusr bunosr ubnosr bnuosr nbuosr unbosr nubosr ounbsr uonbsr onubsr noubsr unobsr nuobsr bousnr obusnr buosnr ubosnr oubsnr uobsnr bosunr obsunr bsounr sbounr osbunr sobunr busonr ubsonr bsuonr sbuonr usbonr subonr ousbnr uosbnr osubnr soubnr usobnr suobnr bonsur obnsur bnosur nbosur onbsur nobsur bosnur obsnur bsonur sbonur osbnur sobnur bnsour nbsour bsnour sbnour nsbour snbour onsbur nosbur osnbur sonbur nsobur snobur bunsor ubnsor bnusor nbusor unbsor nubsor busnor ubsnor bsunor sbunor usbnor subnor bnsuor nbsuor bsnuor sbnuor nsbuor snbuor unsbor nusbor usnbor sunbor nsubor snubor ounsbr uonsbr onusbr nousbr unosbr nuosbr ousnbr uosnbr osunbr sounbr usonbr suonbr onsubr nosubr osnubr sonubr nsoubr snoubr unsobr nusobr usnobr sunobr nsuobr snuobr bornsu obrnsu bronsu rbonsu orbnsu robnsu bonrsu obnrsu bnorsu nborsu onbrsu nobrsu brnosu rbnosu bnrosu nbrosu rnbosu nrbosu ornbsu ronbsu onrbsu norbsu rnobsu nrobsu borsnu obrsnu brosnu rbosnu orbsnu robsnu bosrnu obsrnu bsornu sbornu osbrnu sobrnu brsonu rbsonu bsronu sbronu rsbonu srbonu orsbnu rosbnu osrbnu sorbnu rsobnu srobnu bonsru obnsru bnosru nbosru onbsru nobsru bosnru obsnru bsonru sbonru osbnru sobnru bnsoru nbsoru bsnoru sbnoru nsboru snboru onsbru nosbru osnbru sonbru nsobru snobru brnsou rbnsou bnrsou nbrsou rnbsou nrbsou brsnou rbsnou bsrnou sbrnou rsbnou srbnou bnsrou nbsrou bsnrou sbnrou nsbrou snbrou rnsbou nrsbou rsnbou srnbou nsrbou snrbou ornsbu ronsbu onrsbu norsbu rnosbu nrosbu orsnbu rosnbu osrnbu sornbu rsonbu sronbu onsrbu nosrbu osnrbu sonrbu nsorbu snorbu rnsobu nrsobu rsnobu srnobu nsrobu snrobu burnso ubrnso brunso rbunso urbnso rubnso bunrso ubnrso bnurso nburso unbrso nubrso brnuso rbnuso bnruso nbruso rnbuso nrbuso urnbso runbso unrbso nurbso rnubso nrubso bursno ubrsno brusno rbusno urbsno rubsno busrno ubsrno bsurno sburno usbrno subrno brsuno rbsuno bsruno sbruno rsbuno srbuno ursbno rusbno usrbno surbno rsubno srubno bunsro ubnsro bnusro nbusro unbsro nubsro busnro ubsnro bsunro sbunro usbnro subnro bnsuro nbsuro bsnuro sbnuro nsburo snburo unsbro nusbro usnbro sunbro nsubro snubro brnsuo rbnsuo bnrsuo nbrsuo rnbsuo nrbsuo brsnuo rbsnuo bsrnuo sbrnuo rsbnuo srbnuo bnsruo nbsruo bsnruo sbnruo nsbruo snbruo rnsbuo nrsbuo rsnbuo srnbuo nsrbuo snrbuo urnsbo runsbo unrsbo nursbo rnusbo nrusbo ursnbo rusnbo usrnbo surnbo rsunbo srunbo unsrbo nusrbo usnrbo sunrbo nsurbo snurbo rnsubo nrsubo rsnubo srnubo nsrubo snrubo ournsb uornsb orunsb rounsb uronsb ruonsb ounrsb uonrsb onursb noursb unorsb nuorsb ornusb ronusb onrusb norusb rnousb nrousb urnosb runosb unrosb nurosb rnuosb nruosb oursnb uorsnb orusnb rousnb urosnb ruosnb ousrnb uosrnb osurnb sournb usornb suornb orsunb rosunb osrunb sorunb rsounb srounb ursonb rusonb usronb suronb rsuonb sruonb ounsrb uonsrb onusrb nousrb unosrb nuosrb ousnrb uosnrb osunrb sounrb usonrb suonrb onsurb nosurb osnurb sonurb nsourb snourb unsorb nusorb usnorb sunorb nsuorb snuorb ornsub ronsub onrsub norsub rnosub nrosub orsnub rosnub osrnub sornub rsonub sronub onsrub nosrub osnrub sonrub nsorub snorub rnsoub nrsoub rsnoub srnoub nsroub snroub urnsob runsob unrsob nursob rnusob nrusob ursnob rusnob usrnob surnob rsunob srunob unsrob nusrob usnrob sunrob nsurob snurob rnsuob nrsuob rsnuob srnuob nsruob snruob
Note: these 'words' (valid or invalid) are all the permutations of the word bourns. These words are obtained by scrambling the letters in bourns.