esept seept eespt eespt seept esept espet sepet epset peset speet pseet eepst eepst epest peest epest peest sepet espet speet pseet epset peset esetp seetp eestp eestp seetp esetp estep setep etsep tesep steep tseep eetsp eetsp etesp teesp etesp teesp setep estep steep tseep etsep tesep espte septe epste peste spete psete estpe setpe etspe tespe stepe tsepe eptse petse etpse tepse ptese tpese sptee pstee stpee tspee ptsee tpsee eepts eepts epets peets epets peets eetps eetps eteps teeps eteps teeps eptes petes etpes tepes ptees tpees eptes petes etpes tepes ptees tpees septe espte spete psete epste peste setpe estpe stepe tsepe etspe tespe sptee pstee stpee tspee ptsee tpsee eptse petse etpse tepse ptese tpese
Note: these 'words' (valid or invalid) are all the permutations of the word esept. These words are obtained by scrambling the letters in esept.