bitou ibtou btiou tbiou itbou tibou biotu ibotu boitu obitu iobtu oibtu btoiu tboiu botiu obtiu tobiu otbiu itobu tiobu iotbu oitbu toibu otibu bituo ibtuo btiuo tbiuo itbuo tibuo biuto ibuto buito ubito iubto uibto btuio tbuio butio ubtio tubio utbio itubo tiubo iutbo uitbo tuibo utibo biout ibout boiut obiut iobut oibut biuot ibuot buiot ubiot iubot uibot bouit obuit buoit uboit oubit uobit ioubt oiubt iuobt uiobt ouibt uoibt btoui tboui botui obtui tobui otbui btuoi tbuoi butoi ubtoi tuboi utboi bouti obuti buoti uboti oubti uobti toubi otubi tuobi utobi outbi uotbi itoub tioub iotub oitub toiub otiub ituob tiuob iutob uitob tuiob utiob ioutb oiutb iuotb uiotb ouitb uoitb touib otuib tuoib utoib outib uotib
Note: these 'words' (valid or invalid) are all the permutations of the word bitou. These words are obtained by scrambling the letters in bitou.