regma ergma rgema grema egrma germa remga ermga rmega mrega emrga merga rgmea grmea rmgea mrgea gmrea mgrea egmra gemra emgra megra gmera mgera regam ergam rgeam gream egram geram reagm eragm raegm aregm eargm aergm rgaem graem ragem argem garem agrem egarm gearm eagrm aegrm gaerm agerm remag ermag rmeag mreag emrag merag reamg eramg raemg aremg earmg aermg rmaeg mraeg rameg armeg mareg amreg emarg mearg eamrg aemrg maerg amerg rgmae grmae rmgae mrgae gmrae mgrae rgame grame ragme argme garme agrme rmage mrage ramge armge marge amrge gmare mgare gamre agmre magre amgre egmar gemar emgar megar gmear mgear egamr geamr eagmr aegmr gaemr agemr emagr meagr eamgr aemgr maegr amegr gmaer mgaer gamer agmer mager amger
Note: these 'words' (valid or invalid) are all the permutations of the word regma. These words are obtained by scrambling the letters in regma.