heroin ehroin hreoin rheoin erhoin rehoin heorin ehorin hoerin oherin eohrin oehrin hroein rhoein horein ohrein rohein orhein erohin reohin eorhin oerhin roehin orehin herion ehrion hreion rheion erhion rehion heiron ehiron hieron iheron eihron iehron hrieon rhieon hireon ihreon riheon irheon erihon reihon eirhon ierhon riehon irehon heoirn ehoirn hoeirn oheirn eohirn oehirn heiorn ehiorn hieorn iheorn eihorn iehorn hoiern ohiern hioern ihoern oihern iohern eoihrn oeihrn eiohrn ieohrn oiehrn ioehrn hroien rhoien horien ohrien rohien orhien hrioen rhioen hiroen ihroen rihoen irhoen hoiren ohiren hioren ihoren oihren iohren roihen orihen riohen irohen oirhen iorhen eroihn reoihn eorihn oerihn roeihn oreihn eriohn reiohn eirohn ierohn rieohn ireohn eoirhn oeirhn eiorhn ieorhn oierhn ioerhn roiehn oriehn rioehn iroehn oirehn iorehn heroni ehroni hreoni rheoni erhoni rehoni heorni ehorni hoerni oherni eohrni oehrni hroeni rhoeni horeni ohreni roheni orheni erohni reohni eorhni oerhni roehni orehni hernoi ehrnoi hrenoi rhenoi erhnoi rehnoi henroi ehnroi hneroi nheroi enhroi nehroi hrneoi rhneoi hnreoi nhreoi rnheoi nrheoi ernhoi renhoi enrhoi nerhoi rnehoi nrehoi heonri ehonri hoenri ohenri eohnri oehnri henori ehnori hneori nheori enhori nehori honeri ohneri hnoeri nhoeri onheri noheri eonhri oenhri enohri neohri onehri noehri hronei rhonei hornei ohrnei rohnei orhnei hrnoei rhnoei hnroei nhroei rnhoei nrhoei honrei ohnrei hnorei nhorei onhrei nohrei ronhei ornhei rnohei nrohei onrhei norhei eronhi reonhi eornhi oernhi roenhi orenhi ernohi renohi enrohi nerohi rneohi nreohi eonrhi oenrhi enorhi neorhi onerhi noerhi ronehi ornehi rnoehi nroehi onrehi norehi herino ehrino hreino rheino erhino rehino heirno ehirno hierno iherno eihrno iehrno hrieno rhieno hireno ihreno riheno irheno erihno reihno eirhno ierhno riehno irehno hernio ehrnio hrenio rhenio erhnio rehnio henrio ehnrio hnerio nherio enhrio nehrio hrneio rhneio hnreio nhreio rnheio nrheio ernhio renhio enrhio nerhio rnehio nrehio heinro ehinro hienro ihenro eihnro iehnro heniro ehniro hneiro nheiro enhiro nehiro hinero ihnero hniero nhiero inhero nihero einhro ienhro enihro neihro inehro niehro hrineo rhineo hirneo ihrneo rihneo irhneo hrnieo rhnieo hnrieo nhrieo rnhieo nrhieo hinreo ihnreo hnireo nhireo inhreo nihreo rinheo irnheo rniheo nriheo inrheo nirheo erinho reinho eirnho iernho rienho irenho erniho reniho enriho neriho rneiho nreiho einrho ienrho enirho neirho inerho nierho rineho irneho rnieho nrieho inreho nireho heoinr ehoinr hoeinr oheinr eohinr oehinr heionr ehionr hieonr iheonr eihonr iehonr hoienr ohienr hioenr ihoenr oihenr iohenr eoihnr oeihnr eiohnr ieohnr oiehnr ioehnr heonir ehonir hoenir ohenir eohnir oehnir henoir ehnoir hneoir nheoir enhoir nehoir honeir ohneir hnoeir nhoeir onheir noheir eonhir oenhir enohir neohir onehir noehir heinor ehinor hienor ihenor eihnor iehnor henior ehnior hneior nheior enhior nehior hineor ihneor hnieor nhieor inheor niheor einhor ienhor enihor neihor inehor niehor hoiner ohiner hioner ihoner oihner iohner honier ohnier hnoier nhoier onhier nohier hinoer ihnoer hnioer nhioer inhoer nihoer oinher ionher oniher noiher inoher nioher eoinhr oeinhr eionhr ieonhr oienhr ioenhr eonihr oenihr enoihr neoihr oneihr noeihr einohr ienohr eniohr neiohr ineohr nieohr oinehr ionehr oniehr noiehr inoehr nioehr hroine rhoine horine ohrine rohine orhine hrione rhione hirone ihrone rihone irhone hoirne ohirne hiorne ihorne oihrne iohrne roihne orihne riohne irohne oirhne iorhne hronie rhonie hornie ohrnie rohnie orhnie hrnoie rhnoie hnroie nhroie rnhoie nrhoie honrie ohnrie hnorie nhorie onhrie nohrie ronhie ornhie rnohie nrohie onrhie norhie hrinoe rhinoe hirnoe ihrnoe rihnoe irhnoe hrnioe rhnioe hnrioe nhrioe rnhioe nrhioe hinroe ihnroe hniroe nhiroe inhroe nihroe rinhoe irnhoe rnihoe nrihoe inrhoe nirhoe hoinre ohinre hionre ihonre oihnre iohnre honire ohnire hnoire nhoire onhire nohire hinore ihnore hniore nhiore inhore nihore oinhre ionhre onihre noihre inohre niohre roinhe orinhe rionhe ironhe oirnhe iornhe ronihe ornihe rnoihe nroihe onrihe norihe rinohe irnohe rniohe nriohe inrohe nirohe oinrhe ionrhe onirhe noirhe inorhe niorhe eroinh reoinh eorinh oerinh roeinh oreinh erionh reionh eironh ieronh rieonh ireonh eoirnh oeirnh eiornh ieornh oiernh ioernh roienh orienh rioenh iroenh oirenh iorenh eronih reonih eornih oernih roenih orenih ernoih renoih enroih neroih rneoih nreoih eonrih oenrih enorih neorih onerih noerih roneih orneih rnoeih nroeih onreih noreih erinoh reinoh eirnoh iernoh rienoh irenoh ernioh renioh enrioh nerioh rneioh nreioh einroh ienroh eniroh neiroh ineroh nieroh rineoh irneoh rnieoh nrieoh inreoh nireoh eoinrh oeinrh eionrh ieonrh oienrh ioenrh eonirh oenirh enoirh neoirh oneirh noeirh einorh ienorh eniorh neiorh ineorh nieorh oinerh ionerh onierh noierh inoerh nioerh roineh orineh rioneh ironeh oirneh iorneh ronieh ornieh rnoieh nroieh onrieh norieh rinoeh irnoeh rnioeh nrioeh inroeh niroeh oinreh ionreh onireh noireh inoreh nioreh
Note: these 'words' (valid or invalid) are all the permutations of the word heroin. These words are obtained by scrambling the letters in heroin.