mercs emrcs mrecs rmecs ermcs remcs mecrs emcrs mcers cmers ecmrs cemrs mrces rmces mcres cmres rcmes crmes ercms recms ecrms cerms rcems crems mersc emrsc mresc rmesc ermsc remsc mesrc emsrc mserc smerc esmrc semrc mrsec rmsec msrec smrec rsmec srmec ersmc resmc esrmc sermc rsemc sremc mecsr emcsr mcesr cmesr ecmsr cemsr mescr emscr msecr smecr esmcr semcr mcser cmser mscer smcer csmer scmer ecsmr cesmr escmr secmr csemr scemr mrcse rmcse mcrse cmrse rcmse crmse mrsce rmsce msrce smrce rsmce srmce mcsre cmsre mscre smcre csmre scmre rcsme crsme rscme srcme csrme scrme ercsm recsm ecrsm cersm rcesm cresm erscm rescm esrcm sercm rsecm srecm ecsrm cesrm escrm secrm cserm scerm rcsem crsem rscem srcem csrem screm
Note: these 'words' (valid or invalid) are all the permutations of the word mercs. These words are obtained by scrambling the letters in mercs.