saugh asugh suagh usagh ausgh uasgh saguh asguh sgauh gsauh agsuh gasuh sugah usgah sguah gsuah ugsah gusah augsh uagsh agush gaush ugash guash sauhg asuhg suahg usahg aushg uashg sahug ashug shaug hsaug ahsug hasug suhag ushag shuag hsuag uhsag husag auhsg uahsg ahusg hausg uhasg huasg saghu asghu sgahu gsahu agshu gashu sahgu ashgu shagu hsagu ahsgu hasgu sghau gshau shgau hsgau ghsau hgsau aghsu gahsu ahgsu hagsu ghasu hgasu sugha usgha sguha gsuha ugsha gusha suhga ushga shuga hsuga uhsga husga sghua gshua shgua hsgua ghsua hgsua ughsa guhsa uhgsa hugsa ghusa hgusa aughs uaghs aguhs gauhs ugahs guahs auhgs uahgs ahugs haugs uhags huags aghus gahus ahgus hagus ghaus hgaus ughas guhas uhgas hugas ghuas hguas
Note: these 'words' (valid or invalid) are all the permutations of the word saugh. These words are obtained by scrambling the letters in saugh.