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