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