mecra emcra mcera cmera ecmra cemra merca emrca mreca rmeca ermca remca mcrea cmrea mrcea rmcea crmea rcmea ecrma cerma ercma recma crema rcema mecar emcar mcear cmear ecmar cemar meacr emacr maecr amecr eamcr aemcr mcaer cmaer macer amcer camer acmer ecamr ceamr eacmr aecmr caemr acemr merac emrac mreac rmeac ermac remac mearc emarc maerc amerc eamrc aemrc mraec rmaec marec amrec ramec armec eramc reamc earmc aermc raemc aremc mcrae cmrae mrcae rmcae crmae rcmae mcare cmare macre amcre camre acmre mrace rmace marce amrce ramce armce crame rcame carme acrme racme arcme ecram ceram ercam recam cream rceam ecarm cearm eacrm aecrm caerm acerm eracm reacm earcm aercm raecm arecm craem rcaem carem acrem racem arcem
Note: these 'words' (valid or invalid) are all the permutations of the word mecra. These words are obtained by scrambling the letters in mecra.