drugos rdugos durgos udrgos rudgos urdgos drguos rdguos dgruos gdruos rgduos grduos dugros udgros dguros gduros ugdros gudros rugdos urgdos rgudos grudos ugrdos gurdos druogs rduogs durogs udrogs rudogs urdogs drougs rdougs dorugs odrugs rodugs ordugs duorgs udorgs dourgs odurgs uodrgs oudrgs ruodgs urodgs roudgs orudgs uordgs ourdgs drgous rdgous dgrous gdrous rgdous grdous drogus rdogus dorgus odrgus rodgus ordgus dgorus gdorus dogrus odgrus godrus ogdrus rgodus grodus rogdus orgdus gordus ogrdus dugors udgors dguors gduors ugdors gudors duogrs udogrs dougrs odugrs uodgrs oudgrs dgours gdours dogurs odgurs godurs ogdurs ugodrs guodrs uogdrs ougdrs goudrs ogudrs rugods urgods rguods gruods ugrods gurods ruogds urogds rougds orugds uorgds ourgds rgouds grouds roguds orguds goruds ogruds ugords guords uogrds ougrds gourds ogurds drugso rdugso durgso udrgso rudgso urdgso drguso rdguso dgruso gdruso rgduso grduso dugrso udgrso dgurso gdurso ugdrso gudrso rugdso urgdso rgudso grudso ugrdso gurdso drusgo rdusgo dursgo udrsgo rudsgo urdsgo drsugo rdsugo dsrugo sdrugo rsdugo srdugo dusrgo udsrgo dsurgo sdurgo usdrgo sudrgo rusdgo ursdgo rsudgo srudgo usrdgo surdgo drgsuo rdgsuo dgrsuo gdrsuo rgdsuo grdsuo drsguo rdsguo dsrguo sdrguo rsdguo srdguo dgsruo gdsruo dsgruo sdgruo gsdruo sgdruo rgsduo grsduo rsgduo srgduo gsrduo sgrduo dugsro udgsro dgusro gdusro ugdsro gudsro dusgro udsgro dsugro sdugro usdgro sudgro dgsuro gdsuro dsguro sdguro gsduro sgduro ugsdro gusdro usgdro sugdro gsudro sgudro rugsdo urgsdo rgusdo grusdo ugrsdo gursdo rusgdo ursgdo rsugdo srugdo usrgdo surgdo rgsudo grsudo rsgudo srgudo gsrudo sgrudo ugsrdo gusrdo usgrdo sugrdo gsurdo sgurdo druosg rduosg durosg udrosg rudosg urdosg drousg rdousg dorusg odrusg rodusg ordusg duorsg udorsg doursg odursg uodrsg oudrsg ruodsg urodsg roudsg orudsg uordsg ourdsg drusog rdusog dursog udrsog rudsog urdsog drsuog rdsuog dsruog sdruog rsduog srduog dusrog udsrog dsurog sdurog usdrog sudrog rusdog ursdog rsudog srudog usrdog surdog drosug rdosug dorsug odrsug rodsug ordsug drsoug rdsoug dsroug sdroug rsdoug srdoug dosrug odsrug dsorug sdorug osdrug sodrug rosdug orsdug rsodug srodug osrdug sordug duosrg udosrg dousrg odusrg uodsrg oudsrg dusorg udsorg dsuorg sduorg usdorg sudorg dosurg odsurg dsourg sdourg osdurg sodurg uosdrg ousdrg usodrg suodrg osudrg soudrg ruosdg urosdg rousdg orusdg uorsdg oursdg rusodg ursodg rsuodg sruodg usrodg surodg rosudg orsudg rsoudg sroudg osrudg sorudg uosrdg ousrdg usordg suordg osurdg sourdg drgosu rdgosu dgrosu gdrosu rgdosu grdosu drogsu rdogsu dorgsu odrgsu rodgsu ordgsu dgorsu gdorsu dogrsu odgrsu godrsu ogdrsu rgodsu grodsu rogdsu orgdsu gordsu ogrdsu drgsou rdgsou dgrsou gdrsou rgdsou grdsou drsgou rdsgou dsrgou sdrgou rsdgou srdgou dgsrou gdsrou dsgrou sdgrou gsdrou sgdrou rgsdou grsdou rsgdou srgdou gsrdou sgrdou drosgu rdosgu dorsgu odrsgu rodsgu ordsgu drsogu rdsogu dsrogu sdrogu rsdogu srdogu dosrgu odsrgu dsorgu sdorgu osdrgu sodrgu rosdgu orsdgu rsodgu srodgu osrdgu sordgu dgosru gdosru dogsru odgsru godsru ogdsru dgsoru gdsoru dsgoru sdgoru gsdoru sgdoru dosgru odsgru dsogru sdogru osdgru sodgru gosdru ogsdru gsodru sgodru osgdru sogdru rgosdu grosdu rogsdu orgsdu gorsdu ogrsdu rgsodu grsodu rsgodu srgodu gsrodu sgrodu rosgdu orsgdu rsogdu srogdu osrgdu sorgdu gosrdu ogsrdu gsordu sgordu osgrdu sogrdu dugosr udgosr dguosr gduosr ugdosr gudosr duogsr udogsr dougsr odugsr uodgsr oudgsr dgousr gdousr dogusr odgusr godusr ogdusr ugodsr guodsr uogdsr ougdsr goudsr ogudsr dugsor udgsor dgusor gdusor ugdsor gudsor dusgor udsgor dsugor sdugor usdgor sudgor dgsuor gdsuor dsguor sdguor gsduor sgduor ugsdor gusdor usgdor sugdor gsudor sgudor duosgr udosgr dousgr odusgr uodsgr oudsgr dusogr udsogr dsuogr sduogr usdogr sudogr dosugr odsugr dsougr sdougr osdugr sodugr uosdgr ousdgr usodgr suodgr osudgr soudgr dgosur gdosur dogsur odgsur godsur ogdsur dgsour gdsour dsgour sdgour gsdour sgdour dosgur odsgur dsogur sdogur osdgur sodgur gosdur ogsdur gsodur sgodur osgdur sogdur ugosdr guosdr uogsdr ougsdr gousdr ogusdr ugsodr gusodr usgodr sugodr gsuodr sguodr uosgdr ousgdr usogdr suogdr osugdr sougdr gosudr ogsudr gsoudr sgoudr osgudr sogudr rugosd urgosd rguosd gruosd ugrosd gurosd ruogsd urogsd rougsd orugsd uorgsd ourgsd rgousd grousd rogusd orgusd gorusd ogrusd ugorsd guorsd uogrsd ougrsd goursd ogursd rugsod urgsod rgusod grusod ugrsod gursod rusgod ursgod rsugod srugod usrgod surgod rgsuod grsuod rsguod srguod gsruod sgruod ugsrod gusrod usgrod sugrod gsurod sgurod ruosgd urosgd rousgd orusgd uorsgd oursgd rusogd ursogd rsuogd sruogd usrogd surogd rosugd orsugd rsougd srougd osrugd sorugd uosrgd ousrgd usorgd suorgd osurgd sourgd rgosud grosud rogsud orgsud gorsud ogrsud rgsoud grsoud rsgoud srgoud gsroud sgroud rosgud orsgud rsogud srogud osrgud sorgud gosrud ogsrud gsorud sgorud osgrud sogrud ugosrd guosrd uogsrd ougsrd gousrd ogusrd ugsord gusord usgord sugord gsuord sguord uosgrd ousgrd usogrd suogrd osugrd sougrd gosurd ogsurd gsourd sgourd osgurd sogurd
Note: these 'words' (valid or invalid) are all the permutations of the word drugos. These words are obtained by scrambling the letters in drugos.