hyrax yhrax hryax rhyax yrhax ryhax hyarx yharx hayrx ahyrx yahrx ayhrx hrayx rhayx haryx ahryx rahyx arhyx yrahx ryahx yarhx ayrhx rayhx aryhx hyrxa yhrxa hryxa rhyxa yrhxa ryhxa hyxra yhxra hxyra xhyra yxhra xyhra hrxya rhxya hxrya xhrya rxhya xrhya yrxha ryxha yxrha xyrha rxyha xryha hyaxr yhaxr hayxr ahyxr yahxr ayhxr hyxar yhxar hxyar xhyar yxhar xyhar haxyr ahxyr hxayr xhayr axhyr xahyr yaxhr ayxhr yxahr xyahr axyhr xayhr hraxy rhaxy harxy ahrxy rahxy arhxy hrxay rhxay hxray xhray rxhay xrhay haxry ahxry hxary xhary axhry xahry raxhy arxhy rxahy xrahy axrhy xarhy yraxh ryaxh yarxh ayrxh rayxh aryxh yrxah ryxah yxrah xyrah rxyah xryah yaxrh ayxrh yxarh xyarh axyrh xayrh raxyh arxyh rxayh xrayh axryh xaryh
Note: these 'words' (valid or invalid) are all the permutations of the word hyrax. These words are obtained by scrambling the letters in hyrax.