hydria yhdria hdyria dhyria ydhria dyhria hyrdia yhrdia hrydia rhydia yrhdia ryhdia hdryia dhryia hrdyia rhdyia drhyia rdhyia ydrhia dyrhia yrdhia rydhia dryhia rdyhia hydira yhdira hdyira dhyira ydhira dyhira hyidra yhidra hiydra ihydra yihdra iyhdra hdiyra dhiyra hidyra ihdyra dihyra idhyra ydihra dyihra yidhra iydhra diyhra idyhra hyrida yhrida hryida rhyida yrhida ryhida hyirda yhirda hiyrda ihyrda yihrda iyhrda hriyda rhiyda hiryda ihryda rihyda irhyda yrihda ryihda yirhda iyrhda riyhda iryhda hdriya dhriya hrdiya rhdiya drhiya rdhiya hdirya dhirya hidrya ihdrya dihrya idhrya hridya rhidya hirdya ihrdya rihdya irhdya drihya rdihya dirhya idrhya ridhya irdhya ydriha dyriha yrdiha rydiha dryiha rdyiha ydirha dyirha yidrha iydrha diyrha idyrha yridha ryidha yirdha iyrdha riydha irydha driyha rdiyha diryha idryha ridyha irdyha hydrai yhdrai hdyrai dhyrai ydhrai dyhrai hyrdai yhrdai hrydai rhydai yrhdai ryhdai hdryai dhryai hrdyai rhdyai drhyai rdhyai ydrhai dyrhai yrdhai rydhai dryhai rdyhai hydari yhdari hdyari dhyari ydhari dyhari hyadri yhadri haydri ahydri yahdri ayhdri hdayri dhayri hadyri ahdyri dahyri adhyri ydahri dyahri yadhri aydhri dayhri adyhri hyradi yhradi hryadi rhyadi yrhadi ryhadi hyardi yhardi hayrdi ahyrdi yahrdi ayhrdi hraydi rhaydi harydi ahrydi rahydi arhydi yrahdi ryahdi yarhdi ayrhdi rayhdi aryhdi hdrayi dhrayi hrdayi rhdayi drhayi rdhayi hdaryi dharyi hadryi ahdryi dahryi adhryi hradyi rhadyi hardyi ahrdyi rahdyi arhdyi drahyi rdahyi darhyi adrhyi radhyi ardhyi ydrahi dyrahi yrdahi rydahi dryahi rdyahi ydarhi dyarhi yadrhi aydrhi dayrhi adyrhi yradhi ryadhi yardhi ayrdhi raydhi arydhi drayhi rdayhi daryhi adryhi radyhi ardyhi hydiar yhdiar hdyiar dhyiar ydhiar dyhiar hyidar yhidar hiydar ihydar yihdar iyhdar hdiyar dhiyar hidyar ihdyar dihyar idhyar ydihar dyihar yidhar iydhar diyhar idyhar hydair yhdair hdyair dhyair ydhair dyhair hyadir yhadir haydir ahydir yahdir ayhdir hdayir dhayir hadyir ahdyir dahyir adhyir ydahir dyahir yadhir aydhir dayhir adyhir hyiadr yhiadr hiyadr ihyadr yihadr iyhadr hyaidr yhaidr hayidr ahyidr yahidr ayhidr hiaydr ihaydr haiydr ahiydr iahydr aihydr yiahdr iyahdr yaihdr ayihdr iayhdr aiyhdr hdiayr dhiayr hidayr ihdayr dihayr idhayr hdaiyr dhaiyr hadiyr ahdiyr dahiyr adhiyr hiadyr ihadyr haidyr ahidyr iahdyr aihdyr diahyr idahyr daihyr adihyr iadhyr aidhyr ydiahr dyiahr yidahr iydahr diyahr idyahr ydaihr dyaihr yadihr aydihr dayihr adyihr yiadhr iyadhr yaidhr ayidhr iaydhr aiydhr diayhr idayhr daiyhr adiyhr iadyhr aidyhr hyriad yhriad hryiad rhyiad yrhiad ryhiad hyirad yhirad hiyrad ihyrad yihrad iyhrad hriyad rhiyad hiryad ihryad rihyad irhyad yrihad ryihad yirhad iyrhad riyhad iryhad hyraid yhraid hryaid rhyaid yrhaid ryhaid hyarid yharid hayrid ahyrid yahrid ayhrid hrayid rhayid haryid ahryid rahyid arhyid yrahid ryahid yarhid ayrhid rayhid aryhid hyiard yhiard hiyard ihyard yihard iyhard hyaird yhaird hayird ahyird yahird ayhird hiayrd ihayrd haiyrd ahiyrd iahyrd aihyrd yiahrd iyahrd yaihrd ayihrd iayhrd aiyhrd hriayd rhiayd hirayd ihrayd rihayd irhayd hraiyd rhaiyd hariyd ahriyd rahiyd arhiyd hiaryd iharyd hairyd ahiryd iahryd aihryd riahyd irahyd raihyd arihyd iarhyd airhyd yriahd ryiahd yirahd iyrahd riyahd iryahd yraihd ryaihd yarihd ayrihd rayihd aryihd yiarhd iyarhd yairhd ayirhd iayrhd aiyrhd riayhd irayhd raiyhd ariyhd iaryhd airyhd hdriay dhriay hrdiay rhdiay drhiay rdhiay hdiray dhiray hidray ihdray dihray idhray hriday rhiday hirday ihrday rihday irhday drihay rdihay dirhay idrhay ridhay irdhay hdraiy dhraiy hrdaiy rhdaiy drhaiy rdhaiy hdariy dhariy hadriy ahdriy dahriy adhriy hradiy rhadiy hardiy ahrdiy rahdiy arhdiy drahiy rdahiy darhiy adrhiy radhiy ardhiy hdiary dhiary hidary ihdary dihary idhary hdairy dhairy hadiry ahdiry dahiry adhiry hiadry ihadry haidry ahidry iahdry aihdry diahry idahry daihry adihry iadhry aidhry hriady rhiady hirady ihrady rihady irhady hraidy rhaidy haridy ahridy rahidy arhidy hiardy ihardy hairdy ahirdy iahrdy aihrdy riahdy irahdy raihdy arihdy iarhdy airhdy driahy rdiahy dirahy idrahy ridahy irdahy draihy rdaihy darihy adrihy radihy ardihy diarhy idarhy dairhy adirhy iadrhy aidrhy riadhy iradhy raidhy aridhy iardhy airdhy ydriah dyriah yrdiah rydiah dryiah rdyiah ydirah dyirah yidrah iydrah diyrah idyrah yridah ryidah yirdah iyrdah riydah irydah driyah rdiyah diryah idryah ridyah irdyah ydraih dyraih yrdaih rydaih dryaih rdyaih ydarih dyarih yadrih aydrih dayrih adyrih yradih ryadih yardih ayrdih raydih arydih drayih rdayih daryih adryih radyih ardyih ydiarh dyiarh yidarh iydarh diyarh idyarh ydairh dyairh yadirh aydirh dayirh adyirh yiadrh iyadrh yaidrh ayidrh iaydrh aiydrh diayrh idayrh daiyrh adiyrh iadyrh aidyrh yriadh ryiadh yiradh iyradh riyadh iryadh yraidh ryaidh yaridh ayridh rayidh aryidh yiardh iyardh yairdh ayirdh iayrdh aiyrdh riaydh iraydh raiydh ariydh iarydh airydh driayh rdiayh dirayh idrayh ridayh irdayh draiyh rdaiyh dariyh adriyh radiyh ardiyh diaryh idaryh dairyh adiryh iadryh aidryh riadyh iradyh raidyh aridyh iardyh airdyh
Note: these 'words' (valid or invalid) are all the permutations of the word hydria. These words are obtained by scrambling the letters in hydria.