exams xeams eaxms aexms xaems axems exmas xemas emxas mexas xmeas mxeas eamxs aemxs emaxs meaxs amexs maexs xames axmes xmaes mxaes amxes maxes exasm xeasm eaxsm aexsm xaesm axesm exsam xesam esxam sexam xseam sxeam easxm aesxm esaxm seaxm asexm saexm xasem axsem xsaem sxaem asxem saxem exmsa xemsa emxsa mexsa xmesa mxesa exsma xesma esxma sexma xsema sxema emsxa mesxa esmxa semxa msexa smexa xmsea mxsea xsmea sxmea msxea smxea eamsx aemsx emasx measx amesx maesx easmx aesmx esamx seamx asemx saemx emsax mesax esmax semax mseax smeax amsex masex asmex samex msaex smaex xamse axmse xmase mxase amxse maxse xasme axsme xsame sxame asxme saxme xmsae mxsae xsmae sxmae msxae smxae amsxe masxe asmxe samxe msaxe smaxe
Note: these 'words' (valid or invalid) are all the permutations of the word exams. These words are obtained by scrambling the letters in exams.