cruddy rcuddy curddy ucrddy rucddy urcddy crdudy rcdudy cdrudy dcrudy rdcudy drcudy cudrdy ucdrdy cdurdy dcurdy udcrdy ducrdy rudcdy urdcdy rducdy drucdy udrcdy durcdy cruddy rcuddy curddy ucrddy rucddy urcddy crdudy rcdudy cdrudy dcrudy rdcudy drcudy cudrdy ucdrdy cdurdy dcurdy udcrdy ducrdy rudcdy urdcdy rducdy drucdy udrcdy durcdy crdduy rcdduy cdrduy dcrduy rdcduy drcduy crdduy rcdduy cdrduy dcrduy rdcduy drcduy cddruy dcdruy cddruy dcdruy ddcruy ddcruy rddcuy drdcuy rddcuy drdcuy ddrcuy ddrcuy cuddry ucddry cdudry dcudry udcdry ducdry cuddry ucddry cdudry dcudry udcdry ducdry cddury dcdury cddury dcdury ddcury ddcury uddcry dudcry uddcry dudcry dducry dducry ruddcy urddcy rdudcy drudcy udrdcy durdcy ruddcy urddcy rdudcy drudcy udrdcy durdcy rdducy drducy rdducy drducy ddrucy ddrucy uddrcy dudrcy uddrcy dudrcy ddurcy ddurcy crudyd rcudyd curdyd ucrdyd rucdyd urcdyd crduyd rcduyd cdruyd dcruyd rdcuyd drcuyd cudryd ucdryd cduryd dcuryd udcryd ducryd rudcyd urdcyd rducyd drucyd udrcyd durcyd cruydd rcuydd curydd ucrydd rucydd urcydd cryudd rcyudd cyrudd ycrudd rycudd yrcudd cuyrdd ucyrdd cyurdd ycurdd uycrdd yucrdd ruycdd urycdd ryucdd yrucdd uyrcdd yurcdd crdyud rcdyud cdryud dcryud rdcyud drcyud crydud rcydud cyrdud ycrdud rycdud yrcdud cdyrud dcyrud cydrud ycdrud dycrud ydcrud rdycud drycud rydcud yrdcud dyrcud ydrcud cudyrd ucdyrd cduyrd dcuyrd udcyrd ducyrd cuydrd ucydrd cyudrd ycudrd uycdrd yucdrd cdyurd dcyurd cydurd ycdurd dycurd ydcurd udycrd duycrd uydcrd yudcrd dyucrd yducrd rudycd urdycd rduycd druycd udrycd durycd ruydcd urydcd ryudcd yrudcd uyrdcd yurdcd rdyucd dryucd ryducd yrducd dyrucd ydrucd udyrcd duyrcd uydrcd yudrcd dyurcd ydurcd crudyd rcudyd curdyd ucrdyd rucdyd urcdyd crduyd rcduyd cdruyd dcruyd rdcuyd drcuyd cudryd ucdryd cduryd dcuryd udcryd ducryd rudcyd urdcyd rducyd drucyd udrcyd durcyd cruydd rcuydd curydd ucrydd rucydd urcydd cryudd rcyudd cyrudd ycrudd rycudd yrcudd cuyrdd ucyrdd cyurdd ycurdd uycrdd yucrdd ruycdd urycdd ryucdd yrucdd uyrcdd yurcdd crdyud rcdyud cdryud dcryud rdcyud drcyud crydud rcydud cyrdud ycrdud rycdud yrcdud cdyrud dcyrud cydrud ycdrud dycrud ydcrud rdycud drycud rydcud yrdcud dyrcud ydrcud cudyrd ucdyrd cduyrd dcuyrd udcyrd ducyrd cuydrd ucydrd cyudrd ycudrd uycdrd yucdrd cdyurd dcyurd cydurd ycdurd dycurd ydcurd udycrd duycrd uydcrd yudcrd dyucrd yducrd rudycd urdycd rduycd druycd udrycd durycd ruydcd urydcd ryudcd yrudcd uyrdcd yurdcd rdyucd dryucd ryducd yrducd dyrucd ydrucd udyrcd duyrcd uydrcd yudrcd dyurcd ydurcd crddyu rcddyu cdrdyu dcrdyu rdcdyu drcdyu crddyu rcddyu cdrdyu dcrdyu rdcdyu drcdyu cddryu dcdryu cddryu dcdryu ddcryu ddcryu rddcyu drdcyu rddcyu drdcyu ddrcyu ddrcyu crdydu rcdydu cdrydu dcrydu rdcydu drcydu cryddu rcyddu cyrddu ycrddu rycddu yrcddu cdyrdu dcyrdu cydrdu ycdrdu dycrdu ydcrdu rdycdu drycdu rydcdu yrdcdu dyrcdu ydrcdu crdydu rcdydu cdrydu dcrydu rdcydu drcydu cryddu rcyddu cyrddu ycrddu rycddu yrcddu cdyrdu dcyrdu cydrdu ycdrdu dycrdu ydcrdu rdycdu drycdu rydcdu yrdcdu dyrcdu ydrcdu cddyru dcdyru cddyru dcdyru ddcyru ddcyru cdydru dcydru cyddru ycddru dycdru ydcdru cdydru dcydru cyddru ycddru dycdru ydcdru ddycru ddycru dydcru yddcru dydcru yddcru rddycu drdycu rddycu drdycu ddrycu ddrycu rdydcu drydcu ryddcu yrddcu dyrdcu ydrdcu rdydcu drydcu ryddcu yrddcu dyrdcu ydrdcu ddyrcu ddyrcu dydrcu yddrcu dydrcu yddrcu cuddyr ucddyr cdudyr dcudyr udcdyr ducdyr cuddyr ucddyr cdudyr dcudyr udcdyr ducdyr cdduyr dcduyr cdduyr dcduyr ddcuyr ddcuyr uddcyr dudcyr uddcyr dudcyr dducyr dducyr cudydr ucdydr cduydr dcuydr udcydr ducydr cuyddr ucyddr cyuddr ycuddr uycddr yucddr cdyudr dcyudr cydudr ycdudr dycudr ydcudr udycdr duycdr uydcdr yudcdr dyucdr yducdr cudydr ucdydr cduydr dcuydr udcydr ducydr cuyddr ucyddr cyuddr ycuddr uycddr yucddr cdyudr dcyudr cydudr ycdudr dycudr ydcudr udycdr duycdr uydcdr yudcdr dyucdr yducdr cddyur dcdyur cddyur dcdyur ddcyur ddcyur cdydur dcydur cyddur ycddur dycdur ydcdur cdydur dcydur cyddur ycddur dycdur ydcdur ddycur ddycur dydcur yddcur dydcur yddcur uddycr dudycr uddycr dudycr dduycr dduycr udydcr duydcr uyddcr yuddcr dyudcr ydudcr udydcr duydcr uyddcr yuddcr dyudcr ydudcr ddyucr ddyucr dyducr ydducr dyducr ydducr ruddyc urddyc rdudyc drudyc udrdyc durdyc ruddyc urddyc rdudyc drudyc udrdyc durdyc rdduyc drduyc rdduyc drduyc ddruyc ddruyc uddryc dudryc uddryc dudryc dduryc dduryc rudydc urdydc rduydc druydc udrydc durydc ruyddc uryddc ryuddc yruddc uyrddc yurddc rdyudc dryudc rydudc yrdudc dyrudc ydrudc udyrdc duyrdc uydrdc yudrdc dyurdc ydurdc rudydc urdydc rduydc druydc udrydc durydc ruyddc uryddc ryuddc yruddc uyrddc yurddc rdyudc dryudc rydudc yrdudc dyrudc ydrudc udyrdc duyrdc uydrdc yudrdc dyurdc ydurdc rddyuc drdyuc rddyuc drdyuc ddryuc ddryuc rdyduc dryduc rydduc yrdduc dyrduc ydrduc rdyduc dryduc rydduc yrdduc dyrduc ydrduc ddyruc ddyruc dydruc yddruc dydruc yddruc uddyrc dudyrc uddyrc dudyrc dduyrc dduyrc udydrc duydrc uyddrc yuddrc dyudrc ydudrc udydrc duydrc uyddrc yuddrc dyudrc ydudrc ddyurc ddyurc dydurc yddurc dydurc yddurc
Note: these 'words' (valid or invalid) are all the permutations of the word cruddy. These words are obtained by scrambling the letters in cruddy.