goban ogban gboan bgoan obgan bogan goabn ogabn gaobn agobn oagbn aogbn gbaon bgaon gabon agbon bagon abgon obagn boagn oabgn aobgn baogn abogn gobna ogbna gbona bgona obgna bogna gonba ognba gnoba ngoba ongba nogba gbnoa bgnoa gnboa ngboa bngoa nbgoa obnga bonga onbga nobga bnoga nboga goanb oganb gaonb agonb oagnb aognb gonab ognab gnoab ngoab ongab nogab ganob agnob gnaob ngaob angob nagob oangb aongb onagb noagb anogb naogb gbano bgano gabno agbno bagno abgno gbnao bgnao gnbao ngbao bngao nbgao ganbo agnbo gnabo ngabo angbo nagbo bango abngo bnago nbago anbgo nabgo obang boang oabng aobng baong abong obnag bonag onbag nobag bnoag nboag oanbg aonbg onabg noabg anobg naobg banog abnog bnaog nbaog anbog nabog
Note: these 'words' (valid or invalid) are all the permutations of the word goban. These words are obtained by scrambling the letters in goban.