bounds obunds buonds ubonds oubnds uobnds bonuds obnuds bnouds nbouds onbuds nobuds bunods ubnods bnuods nbuods unbods nubods ounbds uonbds onubds noubds unobds nuobds boudns obudns buodns ubodns oubdns uobdns boduns obduns bdouns dbouns odbuns dobuns budons ubdons bduons dbuons udbons dubons oudbns uodbns odubns doubns udobns duobns bondus obndus bnodus nbodus onbdus nobdus bodnus obdnus bdonus dbonus odbnus dobnus bndous nbdous bdnous dbnous ndbous dnbous ondbus nodbus odnbus donbus ndobus dnobus bundos ubndos bnudos nbudos unbdos nubdos budnos ubdnos bdunos dbunos udbnos dubnos bnduos nbduos bdnuos dbnuos ndbuos dnbuos undbos nudbos udnbos dunbos ndubos dnubos oundbs uondbs onudbs noudbs unodbs nuodbs oudnbs uodnbs odunbs dounbs udonbs duonbs ondubs nodubs odnubs donubs ndoubs dnoubs undobs nudobs udnobs dunobs nduobs dnuobs bounsd obunsd buonsd ubonsd oubnsd uobnsd bonusd obnusd bnousd nbousd onbusd nobusd bunosd ubnosd bnuosd nbuosd unbosd nubosd ounbsd uonbsd onubsd noubsd unobsd nuobsd bousnd obusnd buosnd ubosnd oubsnd uobsnd bosund obsund bsound sbound osbund sobund busond ubsond bsuond sbuond usbond subond ousbnd uosbnd osubnd soubnd usobnd suobnd bonsud obnsud bnosud nbosud onbsud nobsud bosnud obsnud bsonud sbonud osbnud sobnud bnsoud nbsoud bsnoud sbnoud nsboud snboud onsbud nosbud osnbud sonbud nsobud snobud bunsod ubnsod bnusod nbusod unbsod nubsod busnod ubsnod bsunod sbunod usbnod subnod bnsuod nbsuod bsnuod sbnuod nsbuod snbuod unsbod nusbod usnbod sunbod nsubod snubod ounsbd uonsbd onusbd nousbd unosbd nuosbd ousnbd uosnbd osunbd sounbd usonbd suonbd onsubd nosubd osnubd sonubd nsoubd snoubd unsobd nusobd usnobd sunobd nsuobd snuobd boudsn obudsn buodsn ubodsn oubdsn uobdsn bodusn obdusn bdousn dbousn odbusn dobusn budosn ubdosn bduosn dbuosn udbosn dubosn oudbsn uodbsn odubsn doubsn udobsn duobsn bousdn obusdn buosdn ubosdn oubsdn uobsdn bosudn obsudn bsoudn sboudn osbudn sobudn busodn ubsodn bsuodn sbuodn usbodn subodn ousbdn uosbdn osubdn soubdn usobdn suobdn bodsun obdsun bdosun dbosun odbsun dobsun bosdun obsdun bsodun sbodun osbdun sobdun bdsoun dbsoun bsdoun sbdoun dsboun sdboun odsbun dosbun osdbun sodbun dsobun sdobun budson ubdson bduson dbuson udbson dubson busdon ubsdon bsudon sbudon usbdon subdon bdsuon dbsuon bsduon sbduon dsbuon sdbuon udsbon dusbon usdbon sudbon dsubon sdubon oudsbn uodsbn odusbn dousbn udosbn duosbn ousdbn uosdbn osudbn soudbn usodbn suodbn odsubn dosubn osdubn sodubn dsoubn sdoubn udsobn dusobn usdobn sudobn dsuobn sduobn bondsu obndsu bnodsu nbodsu onbdsu nobdsu bodnsu obdnsu bdonsu dbonsu odbnsu dobnsu bndosu nbdosu bdnosu dbnosu ndbosu dnbosu ondbsu nodbsu odnbsu donbsu ndobsu dnobsu bonsdu obnsdu bnosdu nbosdu onbsdu nobsdu bosndu obsndu bsondu sbondu osbndu sobndu bnsodu nbsodu bsnodu sbnodu nsbodu snbodu onsbdu nosbdu osnbdu sonbdu nsobdu snobdu bodsnu obdsnu bdosnu dbosnu odbsnu dobsnu bosdnu obsdnu bsodnu sbodnu osbdnu sobdnu bdsonu dbsonu bsdonu sbdonu dsbonu sdbonu odsbnu dosbnu osdbnu sodbnu dsobnu sdobnu bndsou nbdsou bdnsou dbnsou ndbsou dnbsou bnsdou nbsdou bsndou sbndou nsbdou snbdou bdsnou dbsnou bsdnou sbdnou dsbnou sdbnou ndsbou dnsbou nsdbou sndbou dsnbou sdnbou ondsbu nodsbu odnsbu donsbu ndosbu dnosbu onsdbu nosdbu osndbu sondbu nsodbu snodbu odsnbu dosnbu osdnbu sodnbu dsonbu sdonbu ndsobu dnsobu nsdobu sndobu dsnobu sdnobu bundso ubndso bnudso nbudso unbdso nubdso budnso ubdnso bdunso dbunso udbnso dubnso bnduso nbduso bdnuso dbnuso ndbuso dnbuso undbso nudbso udnbso dunbso ndubso dnubso bunsdo ubnsdo bnusdo nbusdo unbsdo nubsdo busndo ubsndo bsundo sbundo usbndo subndo bnsudo nbsudo bsnudo sbnudo nsbudo snbudo unsbdo nusbdo usnbdo sunbdo nsubdo snubdo budsno ubdsno bdusno dbusno udbsno dubsno busdno ubsdno bsudno sbudno usbdno subdno bdsuno dbsuno bsduno sbduno dsbuno sdbuno udsbno dusbno usdbno sudbno dsubno sdubno bndsuo nbdsuo bdnsuo dbnsuo ndbsuo dnbsuo bnsduo nbsduo bsnduo sbnduo nsbduo snbduo bdsnuo dbsnuo bsdnuo sbdnuo dsbnuo sdbnuo ndsbuo dnsbuo nsdbuo sndbuo dsnbuo sdnbuo undsbo nudsbo udnsbo dunsbo ndusbo dnusbo unsdbo nusdbo usndbo sundbo nsudbo snudbo udsnbo dusnbo usdnbo sudnbo dsunbo sdunbo ndsubo dnsubo nsdubo sndubo dsnubo sdnubo oundsb uondsb onudsb noudsb unodsb nuodsb oudnsb uodnsb odunsb dounsb udonsb duonsb ondusb nodusb odnusb donusb ndousb dnousb undosb nudosb udnosb dunosb nduosb dnuosb ounsdb uonsdb onusdb nousdb unosdb nuosdb ousndb uosndb osundb soundb usondb suondb onsudb nosudb osnudb sonudb nsoudb snoudb unsodb nusodb usnodb sunodb nsuodb snuodb oudsnb uodsnb odusnb dousnb udosnb duosnb ousdnb uosdnb osudnb soudnb usodnb suodnb odsunb dosunb osdunb sodunb dsounb sdounb udsonb dusonb usdonb sudonb dsuonb sduonb ondsub nodsub odnsub donsub ndosub dnosub onsdub nosdub osndub sondub nsodub snodub odsnub dosnub osdnub sodnub dsonub sdonub ndsoub dnsoub nsdoub sndoub dsnoub sdnoub undsob nudsob udnsob dunsob ndusob dnusob unsdob nusdob usndob sundob nsudob snudob udsnob dusnob usdnob sudnob dsunob sdunob ndsuob dnsuob nsduob snduob dsnuob sdnuob
Note: these 'words' (valid or invalid) are all the permutations of the word bounds. These words are obtained by scrambling the letters in bounds.