boong obong boong obong oobng oobng bonog obnog bnoog nboog onbog nobog bonog obnog bnoog nboog onbog nobog oonbg oonbg onobg noobg onobg noobg boogn obogn boogn obogn oobgn oobgn bogon obgon bgoon gboon ogbon gobon bogon obgon bgoon gboon ogbon gobon oogbn oogbn ogobn goobn ogobn goobn bongo obngo bnogo nbogo onbgo nobgo bogno obgno bgono gbono ogbno gobno bngoo nbgoo bgnoo gbnoo ngboo gnboo ongbo nogbo ognbo gonbo ngobo gnobo bongo obngo bnogo nbogo onbgo nobgo bogno obgno bgono gbono ogbno gobno bngoo nbgoo bgnoo gbnoo ngboo gnboo ongbo nogbo ognbo gonbo ngobo gnobo oongb oongb onogb noogb onogb noogb oognb oognb ogonb goonb ogonb goonb ongob nogob ognob gonob ngoob gnoob ongob nogob ognob gonob ngoob gnoob
Note: these 'words' (valid or invalid) are all the permutations of the word boong. These words are obtained by scrambling the letters in boong.