doseh odseh dsoeh sdoeh osdeh sodeh doesh odesh deosh edosh oedsh eodsh dseoh sdeoh desoh edsoh sedoh esdoh osedh soedh oesdh eosdh seodh esodh doshe odshe dsohe sdohe osdhe sodhe dohse odhse dhose hdose ohdse hodse dshoe sdhoe dhsoe hdsoe shdoe hsdoe oshde sohde ohsde hosde shode hsode doehs odehs deohs edohs oedhs eodhs dohes odhes dhoes hdoes ohdes hodes dehos edhos dheos hdeos ehdos hedos oehds eohds oheds hoeds ehods heods dseho sdeho desho edsho sedho esdho dsheo sdheo dhseo hdseo shdeo hsdeo dehso edhso dheso hdeso ehdso hedso sehdo eshdo shedo hsedo ehsdo hesdo osehd soehd oeshd eoshd seohd esohd oshed sohed ohsed hosed shoed hsoed oehsd eohsd ohesd hoesd ehosd heosd sehod eshod sheod hseod ehsod hesod
Note: these 'words' (valid or invalid) are all the permutations of the word doseh. These words are obtained by scrambling the letters in doseh.