buats ubats bauts abuts uabts aubts butas ubtas btuas tbuas utbas tubas batus abtus btaus tbaus atbus tabus uatbs autbs utabs tuabs atubs taubs buast ubast baust abust uabst aubst busat ubsat bsuat sbuat usbat subat basut absut bsaut sbaut asbut sabut uasbt ausbt usabt suabt asubt saubt butsa ubtsa btusa tbusa utbsa tubsa busta ubsta bsuta sbuta usbta subta btsua tbsua bstua sbtua tsbua stbua utsba tusba ustba sutba tsuba stuba batsu abtsu btasu tbasu atbsu tabsu bastu abstu bsatu sbatu asbtu sabtu btsau tbsau bstau sbtau tsbau stbau atsbu tasbu astbu satbu tsabu stabu uatsb autsb utasb tuasb atusb tausb uastb austb usatb suatb asutb sautb utsab tusab ustab sutab tsuab stuab atsub tasub astub satub tsaub staub
Note: these 'words' (valid or invalid) are all the permutations of the word buats. These words are obtained by scrambling the letters in buats.