osest soest oesst eosst seost esost osset soset osset soset ssoet ssoet oesst eosst osest soest esost seost sesot essot sseot sseot essot sesot osets soets oests eosts seots esots ostes sotes otses toses stoes tsoes oetss eotss otess toess etoss teoss setos estos steos tseos etsos tesos osste soste osste soste ssote ssote ostse sotse otsse tosse stose tsose ostse sotse otsse tosse stose tsose sstoe sstoe stsoe tssoe stsoe tssoe oests eosts osets soets esots seots oetss eotss otess toess etoss teoss ostes sotes otses toses stoes tsoes estos setos etsos tesos steos tseos sesto essto sseto sseto essto sesto setso estso steso tseso etsso tesso ssteo ssteo stseo tsseo stseo tsseo estso setso etsso tesso steso tseso
Note: these 'words' (valid or invalid) are all the permutations of the word osest. These words are obtained by scrambling the letters in osest.