bouns obuns buons ubons oubns uobns bonus obnus bnous nbous onbus nobus bunos ubnos bnuos nbuos unbos nubos ounbs uonbs onubs noubs unobs nuobs bousn obusn buosn ubosn oubsn uobsn bosun obsun bsoun sboun osbun sobun buson ubson bsuon sbuon usbon subon ousbn uosbn osubn soubn usobn suobn bonsu obnsu bnosu nbosu onbsu nobsu bosnu obsnu bsonu sbonu osbnu sobnu bnsou nbsou bsnou sbnou nsbou snbou onsbu nosbu osnbu sonbu nsobu snobu bunso ubnso bnuso nbuso unbso nubso busno ubsno bsuno sbuno usbno subno bnsuo nbsuo bsnuo sbnuo nsbuo snbuo unsbo nusbo usnbo sunbo nsubo snubo ounsb uonsb onusb nousb unosb nuosb ousnb uosnb osunb sounb usonb suonb onsub nosub osnub sonub nsoub snoub unsob nusob usnob sunob nsuob snuob
Note: these 'words' (valid or invalid) are all the permutations of the word bouns. These words are obtained by scrambling the letters in bouns.