execs xeecs eexcs eexcs xeecs execs exces xeces ecxes cexes xcees cxees eecxs eecxs ecexs ceexs ecexs ceexs xeces exces xcees cxees ecxes cexes exesc xeesc eexsc eexsc xeesc exesc exsec xesec esxec sexec xseec sxeec eesxc eesxc esexc seexc esexc seexc xesec exsec xseec sxeec esxec sexec excse xecse ecxse cexse xcese cxese exsce xesce esxce sexce xsece sxece ecsxe cesxe escxe secxe csexe scexe xcsee cxsee xscee sxcee csxee scxee eecsx eecsx ecesx ceesx ecesx ceesx eescx eescx esecx seecx esecx seecx ecsex cesex escex secex cseex sceex ecsex cesex escex secex cseex sceex xecse excse xcese cxese ecxse cexse xesce exsce xsece sxece esxce sexce xcsee cxsee xscee sxcee csxee scxee ecsxe cesxe escxe secxe csexe scexe
Note: these 'words' (valid or invalid) are all the permutations of the word execs. These words are obtained by scrambling the letters in execs.