merds emrds mreds rmeds ermds remds medrs emdrs mders dmers edmrs demrs mrdes rmdes mdres dmres rdmes drmes erdms redms edrms derms rdems drems mersd emrsd mresd rmesd ermsd remsd mesrd emsrd mserd smerd esmrd semrd mrsed rmsed msred smred rsmed srmed ersmd resmd esrmd sermd rsemd sremd medsr emdsr mdesr dmesr edmsr demsr mesdr emsdr msedr smedr esmdr semdr mdser dmser msder smder dsmer sdmer edsmr desmr esdmr sedmr dsemr sdemr mrdse rmdse mdrse dmrse rdmse drmse mrsde rmsde msrde smrde rsmde srmde mdsre dmsre msdre smdre dsmre sdmre rdsme drsme rsdme srdme dsrme sdrme erdsm redsm edrsm dersm rdesm dresm ersdm resdm esrdm serdm rsedm sredm edsrm desrm esdrm sedrm dserm sderm rdsem drsem rsdem srdem dsrem sdrem
Note: these 'words' (valid or invalid) are all the permutations of the word merds. These words are obtained by scrambling the letters in merds.