begul ebgul bgeul gbeul egbul gebul beugl ebugl buegl ubegl eubgl uebgl bguel gbuel bugel ubgel gubel ugbel egubl geubl eugbl uegbl guebl ugebl beglu ebglu bgelu gbelu egblu geblu belgu eblgu blegu lbegu elbgu lebgu bgleu gbleu blgeu lbgeu glbeu lgbeu eglbu gelbu elgbu legbu glebu lgebu beulg ebulg buelg ubelg eublg ueblg belug eblug bleug lbeug elbug lebug buleg ubleg blueg lbueg ulbeg lubeg eulbg uelbg elubg leubg ulebg luebg bgule gbule bugle ubgle guble ugble bglue gblue blgue lbgue glbue lgbue bulge ublge bluge lbuge ulbge lubge gulbe uglbe glube lgube ulgbe lugbe egulb geulb euglb ueglb guelb ugelb eglub gelub elgub legub gleub lgeub eulgb uelgb elugb leugb ulegb luegb guleb ugleb glueb lgueb ulgeb lugeb
Note: these 'words' (valid or invalid) are all the permutations of the word begul. These words are obtained by scrambling the letters in begul.