dfema fdema defma edfma fedma efdma dfmea fdmea dmfea mdfea fmdea mfdea demfa edmfa dmefa mdefa emdfa medfa femda efmda fmeda mfeda emfda mefda dfeam fdeam defam edfam fedam efdam dfaem fdaem dafem adfem fadem afdem deafm edafm daefm adefm eadfm aedfm feadm efadm faedm afedm eafdm aefdm dfmae fdmae dmfae mdfae fmdae mfdae dfame fdame dafme adfme fadme afdme dmafe mdafe damfe admfe madfe amdfe fmade mfade famde afmde mafde amfde demaf edmaf dmeaf mdeaf emdaf medaf deamf edamf daemf ademf eadmf aedmf dmaef mdaef damef admef madef amdef emadf meadf eamdf aemdf maedf amedf femad efmad fmead mfead emfad mefad feamd efamd faemd afemd eafmd aefmd fmaed mfaed famed afmed mafed amfed emafd meafd eamfd aemfd maefd amefd
Note: these 'words' (valid or invalid) are all the permutations of the word dfema. These words are obtained by scrambling the letters in dfema.