burgs ubrgs brugs rbugs urbgs rubgs bugrs ubgrs bgurs gburs ugbrs gubrs brgus rbgus bgrus gbrus rgbus grbus urgbs rugbs ugrbs gurbs rgubs grubs bursg ubrsg brusg rbusg urbsg rubsg busrg ubsrg bsurg sburg usbrg subrg brsug rbsug bsrug sbrug rsbug srbug ursbg rusbg usrbg surbg rsubg srubg bugsr ubgsr bgusr gbusr ugbsr gubsr busgr ubsgr bsugr sbugr usbgr subgr bgsur gbsur bsgur sbgur gsbur sgbur ugsbr gusbr usgbr sugbr gsubr sgubr brgsu rbgsu bgrsu gbrsu rgbsu grbsu brsgu rbsgu bsrgu sbrgu rsbgu srbgu bgsru gbsru bsgru sbgru gsbru sgbru rgsbu grsbu rsgbu srgbu gsrbu sgrbu urgsb rugsb ugrsb gursb rgusb grusb ursgb rusgb usrgb surgb rsugb srugb ugsrb gusrb usgrb sugrb gsurb sgurb rgsub grsub rsgub srgub gsrub sgrub
Note: these 'words' (valid or invalid) are all the permutations of the word burgs. These words are obtained by scrambling the letters in burgs.