hooray ohoray hooray ohoray oohray oohray horoay ohroay hrooay rhooay orhoay rohoay horoay ohroay hrooay rhooay orhoay rohoay oorhay oorhay orohay roohay orohay roohay hooary ohoary hooary ohoary oohary oohary hoaory ohaory haoory ahoory oahory aohory hoaory ohaory haoory ahoory oahory aohory ooahry ooahry oaohry aoohry oaohry aoohry horaoy ohraoy hroaoy rhoaoy orhaoy rohaoy hoaroy oharoy haoroy ahoroy oahroy aohroy hraooy rhaooy harooy ahrooy rahooy arhooy orahoy roahoy oarhoy aorhoy raohoy arohoy horaoy ohraoy hroaoy rhoaoy orhaoy rohaoy hoaroy oharoy haoroy ahoroy oahroy aohroy hraooy rhaooy harooy ahrooy rahooy arhooy orahoy roahoy oarhoy aorhoy raohoy arohoy oorahy oorahy oroahy rooahy oroahy rooahy ooarhy ooarhy oaorhy aoorhy oaorhy aoorhy oraohy roaohy oarohy aorohy raoohy aroohy oraohy roaohy oarohy aorohy raoohy aroohy hoorya ohorya hoorya ohorya oohrya oohrya horoya ohroya hrooya rhooya orhoya rohoya horoya ohroya hrooya rhooya orhoya rohoya oorhya oorhya orohya roohya orohya roohya hooyra ohoyra hooyra ohoyra oohyra oohyra hoyora ohyora hyoora yhoora oyhora yohora hoyora ohyora hyoora yhoora oyhora yohora ooyhra ooyhra oyohra yoohra oyohra yoohra horyoa ohryoa hroyoa rhoyoa orhyoa rohyoa hoyroa ohyroa hyoroa yhoroa oyhroa yohroa hryooa rhyooa hyrooa yhrooa ryhooa yrhooa oryhoa royhoa oyrhoa yorhoa ryohoa yrohoa horyoa ohryoa hroyoa rhoyoa orhyoa rohyoa hoyroa ohyroa hyoroa yhoroa oyhroa yohroa hryooa rhyooa hyrooa yhrooa ryhooa yrhooa oryhoa royhoa oyrhoa yorhoa ryohoa yrohoa ooryha ooryha oroyha rooyha oroyha rooyha ooyrha ooyrha oyorha yoorha oyorha yoorha oryoha royoha oyroha yoroha ryooha yrooha oryoha royoha oyroha yoroha ryooha yrooha hooayr ohoayr hooayr ohoayr oohayr oohayr hoaoyr ohaoyr haooyr ahooyr oahoyr aohoyr hoaoyr ohaoyr haooyr ahooyr oahoyr aohoyr ooahyr ooahyr oaohyr aoohyr oaohyr aoohyr hooyar ohoyar hooyar ohoyar oohyar oohyar hoyoar ohyoar hyooar yhooar oyhoar yohoar hoyoar ohyoar hyooar yhooar oyhoar yohoar ooyhar ooyhar oyohar yoohar oyohar yoohar hoayor ohayor haoyor ahoyor oahyor aohyor hoyaor ohyaor hyoaor yhoaor oyhaor yohaor hayoor ahyoor hyaoor yhaoor ayhoor yahoor oayhor aoyhor oyahor yoahor ayohor yaohor hoayor ohayor haoyor ahoyor oahyor aohyor hoyaor ohyaor hyoaor yhoaor oyhaor yohaor hayoor ahyoor hyaoor yhaoor ayhoor yahoor oayhor aoyhor oyahor yoahor ayohor yaohor ooayhr ooayhr oaoyhr aooyhr oaoyhr aooyhr ooyahr ooyahr oyoahr yooahr oyoahr yooahr oayohr aoyohr oyaohr yoaohr ayoohr yaoohr oayohr aoyohr oyaohr yoaohr ayoohr yaoohr horayo ohrayo hroayo rhoayo orhayo rohayo hoaryo oharyo haoryo ahoryo oahryo aohryo hraoyo rhaoyo haroyo ahroyo rahoyo arhoyo orahyo roahyo oarhyo aorhyo raohyo arohyo horyao ohryao hroyao rhoyao orhyao rohyao hoyrao ohyrao hyorao yhorao oyhrao yohrao hryoao rhyoao hyroao yhroao ryhoao yrhoao oryhao royhao oyrhao yorhao ryohao yrohao hoayro ohayro haoyro ahoyro oahyro aohyro hoyaro ohyaro hyoaro yhoaro oyharo yoharo hayoro ahyoro hyaoro yhaoro ayhoro yahoro oayhro aoyhro oyahro yoahro ayohro yaohro hrayoo rhayoo haryoo ahryoo rahyoo arhyoo hryaoo rhyaoo hyraoo yhraoo ryhaoo yrhaoo hayroo ahyroo hyaroo yharoo ayhroo yahroo rayhoo aryhoo ryahoo yrahoo ayrhoo yarhoo orayho roayho oaryho aoryho raoyho aroyho oryaho royaho oyraho yoraho ryoaho yroaho oayrho aoyrho oyarho yoarho ayorho yaorho rayoho aryoho ryaoho yraoho ayroho yaroho horayo ohrayo hroayo rhoayo orhayo rohayo hoaryo oharyo haoryo ahoryo oahryo aohryo hraoyo rhaoyo haroyo ahroyo rahoyo arhoyo orahyo roahyo oarhyo aorhyo raohyo arohyo horyao ohryao hroyao rhoyao orhyao rohyao hoyrao ohyrao hyorao yhorao oyhrao yohrao hryoao rhyoao hyroao yhroao ryhoao yrhoao oryhao royhao oyrhao yorhao ryohao yrohao hoayro ohayro haoyro ahoyro oahyro aohyro hoyaro ohyaro hyoaro yhoaro oyharo yoharo hayoro ahyoro hyaoro yhaoro ayhoro yahoro oayhro aoyhro oyahro yoahro ayohro yaohro hrayoo rhayoo haryoo ahryoo rahyoo arhyoo hryaoo rhyaoo hyraoo yhraoo ryhaoo yrhaoo hayroo ahyroo hyaroo yharoo ayhroo yahroo rayhoo aryhoo ryahoo yrahoo ayrhoo yarhoo orayho roayho oaryho aoryho raoyho aroyho oryaho royaho oyraho yoraho ryoaho yroaho oayrho aoyrho oyarho yoarho ayorho yaorho rayoho aryoho ryaoho yraoho ayroho yaroho oorayh oorayh oroayh rooayh oroayh rooayh ooaryh ooaryh oaoryh aooryh oaoryh aooryh oraoyh roaoyh oaroyh aoroyh raooyh arooyh oraoyh roaoyh oaroyh aoroyh raooyh arooyh ooryah ooryah oroyah rooyah oroyah rooyah ooyrah ooyrah oyorah yoorah oyorah yoorah oryoah royoah oyroah yoroah ryooah yrooah oryoah royoah oyroah yoroah ryooah yrooah ooayrh ooayrh oaoyrh aooyrh oaoyrh aooyrh ooyarh ooyarh oyoarh yooarh oyoarh yooarh oayorh aoyorh oyaorh yoaorh ayoorh yaoorh oayorh aoyorh oyaorh yoaorh ayoorh yaoorh orayoh roayoh oaryoh aoryoh raoyoh aroyoh oryaoh royaoh oyraoh yoraoh ryoaoh yroaoh oayroh aoyroh oyaroh yoaroh ayoroh yaoroh rayooh aryooh ryaooh yraooh ayrooh yarooh orayoh roayoh oaryoh aoryoh raoyoh aroyoh oryaoh royaoh oyraoh yoraoh ryoaoh yroaoh oayroh aoyroh oyaroh yoaroh ayoroh yaoroh rayooh aryooh ryaooh yraooh ayrooh yarooh
Note: these 'words' (valid or invalid) are all the permutations of the word hooray. These words are obtained by scrambling the letters in hooray.