heosu ehosu hoesu ohesu eohsu oehsu hesou ehsou hseou sheou eshou sehou hoseu ohseu hsoeu shoeu osheu soheu eoshu oeshu esohu seohu osehu soehu heous ehous hoeus oheus eohus oehus heuos ehuos hueos uheos euhos uehos houes ohues huoes uhoes ouhes uohes eouhs oeuhs euohs ueohs ouehs uoehs hesuo ehsuo hseuo sheuo eshuo sehuo heuso ehuso hueso uheso euhso uehso hsueo shueo huseo uhseo suheo usheo esuho seuho eusho uesho sueho useho hosue ohsue hsoue shoue oshue sohue house ohuse huose uhose ouhse uohse hsuoe shuoe husoe uhsoe suhoe ushoe osuhe souhe oushe uoshe suohe usohe eosuh oesuh esouh seouh oseuh soeuh eoush oeush euosh ueosh ouesh uoesh esuoh seuoh eusoh uesoh sueoh useoh osueh soueh ouseh uoseh suoeh usoeh
Note: these 'words' (valid or invalid) are all the permutations of the word heosu. These words are obtained by scrambling the letters in heosu.