cerge ecrge crege rcege ercge recge cegre ecgre cgere gcere egcre gecre crgee rcgee cgree gcree rgcee grcee ergce regce egrce gerce rgece grece cereg ecreg creeg rceeg erceg receg ceerg ecerg ceerg ecerg eecrg eecrg creeg rceeg cereg ecreg receg erceg erecg reecg eercg eercg reecg erecg ceger ecger cgeer gceer egcer gecer ceegr ecegr ceegr ecegr eecgr eecgr cgeer gceer ceger ecger gecer egcer egecr geecr eegcr eegcr geecr egecr crgee rcgee cgree gcree rgcee grcee crege rcege cerge ecrge recge ercge cgere gcere cegre ecgre gecre egcre rgece grece regce ergce gerce egrce ergec regec egrec gerec rgeec greec eregc reegc eergc eergc reegc eregc egerc geerc eegrc eegrc geerc egerc rgeec greec regec ergec gerec egrec
Note: these 'words' (valid or invalid) are all the permutations of the word cerge. These words are obtained by scrambling the letters in cerge.