drudge rdudge durdge udrdge ruddge urddge drduge rdduge ddruge ddruge rdduge drduge dudrge uddrge ddurge ddurge uddrge dudrge ruddge urddge rdudge drudge udrdge durdge drugde rdugde durgde udrgde rudgde urdgde drgude rdgude dgrude gdrude rgdude grdude dugrde udgrde dgurde gdurde ugdrde gudrde rugdde urgdde rgudde grudde ugrdde gurdde drdgue rddgue ddrgue ddrgue rddgue drdgue drgdue rdgdue dgrdue gdrdue rgddue grddue ddgrue ddgrue dgdrue gddrue dgdrue gddrue rdgdue drgdue rgddue grddue dgrdue gdrdue dudgre uddgre ddugre ddugre uddgre dudgre dugdre udgdre dgudre gdudre ugddre guddre ddgure ddgure dgdure gddure dgdure gddure udgdre dugdre ugddre guddre dgudre gdudre rudgde urdgde rdugde drugde udrgde durgde rugdde urgdde rgudde grudde ugrdde gurdde rdgude drgude rgdude grdude dgrude gdrude udgrde dugrde ugdrde gudrde dgurde gdurde drudeg rdudeg durdeg udrdeg ruddeg urddeg drdueg rddueg ddrueg ddrueg rddueg drdueg dudreg uddreg ddureg ddureg uddreg dudreg ruddeg urddeg rdudeg drudeg udrdeg durdeg druedg rduedg duredg udredg rudedg urdedg dreudg rdeudg derudg edrudg redudg erdudg duerdg uderdg deurdg edurdg uedrdg eudrdg rueddg ureddg reuddg eruddg uerddg eurddg drdeug rddeug ddreug ddreug rddeug drdeug dredug rdedug derdug edrdug reddug erddug dderug dderug dedrug eddrug dedrug eddrug rdedug dredug reddug erddug derdug edrdug duderg udderg dduerg dduerg udderg duderg duedrg udedrg deudrg edudrg ueddrg euddrg ddeurg ddeurg dedurg eddurg dedurg eddurg udedrg duedrg ueddrg euddrg deudrg edudrg rudedg urdedg rduedg druedg udredg duredg rueddg ureddg reuddg eruddg uerddg eurddg rdeudg dreudg redudg erdudg derudg edrudg uderdg duerdg uedrdg eudrdg deurdg edurdg druged rduged durged udrged rudged urdged drgued rdgued dgrued gdrued rgdued grdued dugred udgred dgured gdured ugdred gudred rugded urgded rguded gruded ugrded gurded druegd rduegd duregd udregd rudegd urdegd dreugd rdeugd derugd edrugd redugd erdugd duergd udergd deurgd edurgd uedrgd eudrgd ruedgd uredgd reudgd erudgd uerdgd eurdgd drgeud rdgeud dgreud gdreud rgdeud grdeud dregud rdegud dergud edrgud redgud erdgud dgerud gderud degrud edgrud gedrud egdrud rgedud gredud regdud ergdud gerdud egrdud dugerd udgerd dguerd gduerd ugderd guderd duegrd udegrd deugrd edugrd uedgrd eudgrd dgeurd gdeurd degurd edgurd gedurd egdurd ugedrd guedrd uegdrd eugdrd geudrd egudrd rugedd urgedd rguedd gruedd ugredd guredd ruegdd uregdd reugdd erugdd uergdd eurgdd rgeudd greudd regudd ergudd gerudd egrudd ugerdd guerdd uegrdd eugrdd geurdd egurdd drdgeu rddgeu ddrgeu ddrgeu rddgeu drdgeu drgdeu rdgdeu dgrdeu gdrdeu rgddeu grddeu ddgreu ddgreu dgdreu gddreu dgdreu gddreu rdgdeu drgdeu rgddeu grddeu dgrdeu gdrdeu drdegu rddegu ddregu ddregu rddegu drdegu dredgu rdedgu derdgu edrdgu reddgu erddgu ddergu ddergu dedrgu eddrgu dedrgu eddrgu rdedgu dredgu reddgu erddgu derdgu edrdgu drgedu rdgedu dgredu gdredu rgdedu grdedu dregdu rdegdu dergdu edrgdu redgdu erdgdu dgerdu gderdu degrdu edgrdu gedrdu egdrdu rgeddu greddu regddu ergddu gerddu egrddu ddgeru ddgeru dgderu gdderu dgderu gdderu ddegru ddegru dedgru eddgru dedgru eddgru dgedru gdedru degdru edgdru geddru egddru dgedru gdedru degdru edgdru geddru egddru rdgedu drgedu rgdedu grdedu dgredu gdredu rdegdu dregdu redgdu erdgdu dergdu edrgdu rgeddu greddu regddu ergddu gerddu egrddu dgerdu gderdu degrdu edgrdu gedrdu egdrdu dudger uddger dduger dduger uddger dudger dugder udgder dguder gduder ugdder gudder ddguer ddguer dgduer gdduer dgduer gdduer udgder dugder ugdder gudder dguder gduder dudegr uddegr dduegr dduegr uddegr dudegr duedgr udedgr deudgr edudgr ueddgr euddgr ddeugr ddeugr dedugr eddugr dedugr eddugr udedgr duedgr ueddgr euddgr deudgr edudgr dugedr udgedr dguedr gduedr ugdedr gudedr duegdr udegdr deugdr edugdr uedgdr eudgdr dgeudr gdeudr degudr edgudr gedudr egdudr ugeddr gueddr uegddr eugddr geuddr eguddr ddgeur ddgeur dgdeur gddeur dgdeur gddeur ddegur ddegur dedgur eddgur dedgur eddgur dgedur gdedur degdur edgdur geddur egddur dgedur gdedur degdur edgdur geddur egddur udgedr dugedr ugdedr gudedr dguedr gduedr udegdr duegdr uedgdr eudgdr deugdr edugdr ugeddr gueddr uegddr eugddr geuddr eguddr dgeudr gdeudr degudr edgudr gedudr egdudr rudged urdged rduged druged udrged durged rugded urgded rguded gruded ugrded gurded rdgued drgued rgdued grdued dgrued gdrued udgred dugred ugdred gudred dgured gdured rudegd urdegd rduegd druegd udregd duregd ruedgd uredgd reudgd erudgd uerdgd eurdgd rdeugd dreugd redugd erdugd derugd edrugd udergd duergd uedrgd eudrgd deurgd edurgd rugedd urgedd rguedd gruedd ugredd guredd ruegdd uregdd reugdd erugdd uergdd eurgdd rgeudd greudd regudd ergudd gerudd egrudd ugerdd guerdd uegrdd eugrdd geurdd egurdd rdgeud drgeud rgdeud grdeud dgreud gdreud rdegud dregud redgud erdgud dergud edrgud rgedud gredud regdud ergdud gerdud egrdud dgerud gderud degrud edgrud gedrud egdrud udgerd dugerd ugderd guderd dguerd gduerd udegrd duegrd uedgrd eudgrd deugrd edugrd ugedrd guedrd uegdrd eugdrd geudrd egudrd dgeurd gdeurd degurd edgurd gedurd egdurd
Note: these 'words' (valid or invalid) are all the permutations of the word drudge. These words are obtained by scrambling the letters in drudge.