bidon ibdon bdion dbion idbon dibon biodn ibodn boidn obidn iobdn oibdn bdoin dboin bodin obdin dobin odbin idobn diobn iodbn oidbn doibn odibn bidno ibdno bdino dbino idbno dibno bindo ibndo bnido nbido inbdo nibdo bdnio dbnio bndio nbdio dnbio ndbio idnbo dinbo indbo nidbo dnibo ndibo biond ibond boind obind iobnd oibnd binod ibnod bniod nbiod inbod nibod bonid obnid bnoid nboid onbid nobid ionbd oinbd inobd niobd onibd noibd bdoni dboni bodni obdni dobni odbni bdnoi dbnoi bndoi nbdoi dnboi ndboi bondi obndi bnodi nbodi onbdi nobdi donbi odnbi dnobi ndobi ondbi nodbi idonb dionb iodnb oidnb doinb odinb idnob dinob indob nidob dniob ndiob iondb oindb inodb niodb onidb noidb donib odnib dnoib ndoib ondib nodib
Note: these 'words' (valid or invalid) are all the permutations of the word bidon. These words are obtained by scrambling the letters in bidon.