dhurra hdurra duhrra udhrra hudrra uhdrra dhrura hdrura drhura rdhura hrdura rhdura durhra udrhra druhra rduhra urdhra rudhra hurdra uhrdra hrudra rhudra urhdra ruhdra dhurra hdurra duhrra udhrra hudrra uhdrra dhrura hdrura drhura rdhura hrdura rhdura durhra udrhra druhra rduhra urdhra rudhra hurdra uhrdra hrudra rhudra urhdra ruhdra dhrrua hdrrua drhrua rdhrua hrdrua rhdrua dhrrua hdrrua drhrua rdhrua hrdrua rhdrua drrhua rdrhua drrhua rdrhua rrdhua rrdhua hrrdua rhrdua hrrdua rhrdua rrhdua rrhdua durrha udrrha drurha rdurha urdrha rudrha durrha udrrha drurha rdurha urdrha rudrha drruha rdruha drruha rdruha rrduha rrduha urrdha rurdha urrdha rurdha rrudha rrudha hurrda uhrrda hrurda rhurda urhrda ruhrda hurrda uhrrda hrurda rhurda urhrda ruhrda hrruda rhruda hrruda rhruda rrhuda rrhuda urrhda rurhda urrhda rurhda rruhda rruhda dhurar hdurar duhrar udhrar hudrar uhdrar dhruar hdruar drhuar rdhuar hrduar rhduar durhar udrhar druhar rduhar urdhar rudhar hurdar uhrdar hrudar rhudar urhdar ruhdar dhuarr hduarr duharr udharr hudarr uhdarr dhaurr hdaurr dahurr adhurr hadurr ahdurr duahrr udahrr dauhrr aduhrr uadhrr audhrr huadrr uhadrr haudrr ahudrr uahdrr auhdrr dhraur hdraur drhaur rdhaur hrdaur rhdaur dharur hdarur dahrur adhrur hadrur ahdrur drahur rdahur darhur adrhur radhur ardhur hradur rhadur hardur ahrdur rahdur arhdur durahr udrahr druahr rduahr urdahr rudahr duarhr udarhr daurhr adurhr uadrhr audrhr drauhr rdauhr daruhr adruhr raduhr arduhr uradhr ruadhr uardhr aurdhr raudhr arudhr huradr uhradr hruadr rhuadr urhadr ruhadr huardr uhardr haurdr ahurdr uahrdr auhrdr hraudr rhaudr harudr ahrudr rahudr arhudr urahdr ruahdr uarhdr aurhdr rauhdr aruhdr dhurar hdurar duhrar udhrar hudrar uhdrar dhruar hdruar drhuar rdhuar hrduar rhduar durhar udrhar druhar rduhar urdhar rudhar hurdar uhrdar hrudar rhudar urhdar ruhdar dhuarr hduarr duharr udharr hudarr uhdarr dhaurr hdaurr dahurr adhurr hadurr ahdurr duahrr udahrr dauhrr aduhrr uadhrr audhrr huadrr uhadrr haudrr ahudrr uahdrr auhdrr dhraur hdraur drhaur rdhaur hrdaur rhdaur dharur hdarur dahrur adhrur hadrur ahdrur drahur rdahur darhur adrhur radhur ardhur hradur rhadur hardur ahrdur rahdur arhdur durahr udrahr druahr rduahr urdahr rudahr duarhr udarhr daurhr adurhr uadrhr audrhr drauhr rdauhr daruhr adruhr raduhr arduhr uradhr ruadhr uardhr aurdhr raudhr arudhr huradr uhradr hruadr rhuadr urhadr ruhadr huardr uhardr haurdr ahurdr uahrdr auhrdr hraudr rhaudr harudr ahrudr rahudr arhudr urahdr ruahdr uarhdr aurhdr rauhdr aruhdr dhrrau hdrrau drhrau rdhrau hrdrau rhdrau dhrrau hdrrau drhrau rdhrau hrdrau rhdrau drrhau rdrhau drrhau rdrhau rrdhau rrdhau hrrdau rhrdau hrrdau rhrdau rrhdau rrhdau dhraru hdraru drharu rdharu hrdaru rhdaru dharru hdarru dahrru adhrru hadrru ahdrru drahru rdahru darhru adrhru radhru ardhru hradru rhadru hardru ahrdru rahdru arhdru dhraru hdraru drharu rdharu hrdaru rhdaru dharru hdarru dahrru adhrru hadrru ahdrru drahru rdahru darhru adrhru radhru ardhru hradru rhadru hardru ahrdru rahdru arhdru drrahu rdrahu drrahu rdrahu rrdahu rrdahu drarhu rdarhu darrhu adrrhu radrhu ardrhu drarhu rdarhu darrhu adrrhu radrhu ardrhu rradhu rradhu rardhu arrdhu rardhu arrdhu hrradu rhradu hrradu rhradu rrhadu rrhadu hrardu rhardu harrdu ahrrdu rahrdu arhrdu hrardu rhardu harrdu ahrrdu rahrdu arhrdu rrahdu rrahdu rarhdu arrhdu rarhdu arrhdu durrah udrrah drurah rdurah urdrah rudrah durrah udrrah drurah rdurah urdrah rudrah drruah rdruah drruah rdruah rrduah rrduah urrdah rurdah urrdah rurdah rrudah rrudah durarh udrarh druarh rduarh urdarh rudarh duarrh udarrh daurrh adurrh uadrrh audrrh draurh rdaurh darurh adrurh radurh ardurh uradrh ruadrh uardrh aurdrh raudrh arudrh durarh udrarh druarh rduarh urdarh rudarh duarrh udarrh daurrh adurrh uadrrh audrrh draurh rdaurh darurh adrurh radurh ardurh uradrh ruadrh uardrh aurdrh raudrh arudrh drrauh rdrauh drrauh rdrauh rrdauh rrdauh draruh rdaruh darruh adrruh radruh ardruh draruh rdaruh darruh adrruh radruh ardruh rraduh rraduh rarduh arrduh rarduh arrduh urradh ruradh urradh ruradh rruadh rruadh urardh ruardh uarrdh aurrdh raurdh arurdh urardh ruardh uarrdh aurrdh raurdh arurdh rraudh rraudh rarudh arrudh rarudh arrudh hurrad uhrrad hrurad rhurad urhrad ruhrad hurrad uhrrad hrurad rhurad urhrad ruhrad hrruad rhruad hrruad rhruad rrhuad rrhuad urrhad rurhad urrhad rurhad rruhad rruhad hurard uhrard hruard rhuard urhard ruhard huarrd uharrd haurrd ahurrd uahrrd auhrrd hraurd rhaurd harurd ahrurd rahurd arhurd urahrd ruahrd uarhrd aurhrd rauhrd aruhrd hurard uhrard hruard rhuard urhard ruhard huarrd uharrd haurrd ahurrd uahrrd auhrrd hraurd rhaurd harurd ahrurd rahurd arhurd urahrd ruahrd uarhrd aurhrd rauhrd aruhrd hrraud rhraud hrraud rhraud rrhaud rrhaud hrarud rharud harrud ahrrud rahrud arhrud hrarud rharud harrud ahrrud rahrud arhrud rrahud rrahud rarhud arrhud rarhud arrhud urrahd rurahd urrahd rurahd rruahd rruahd urarhd ruarhd uarrhd aurrhd raurhd arurhd urarhd ruarhd uarrhd aurrhd raurhd arurhd rrauhd rrauhd raruhd arruhd raruhd arruhd
Note: these 'words' (valid or invalid) are all the permutations of the word dhurra. These words are obtained by scrambling the letters in dhurra.