grese rgese gerse egrse regse ergse grsee rgsee gsree sgree rsgee srgee gesre egsre gsere sgere esgre segre resge ersge rsege srege esrge serge grees rgees geres egres reges erges grees rgees geres egres reges erges geers egers geers egers eegrs eegrs reegs eregs reegs eregs eergs eergs grsee rgsee gsree sgree rsgee srgee grese rgese gerse egrse regse ergse gsere sgere gesre egsre segre esgre rsege srege resge ersge serge esrge geser egser gseer sgeer esger seger geesr egesr geesr egesr eegsr eegsr gseer sgeer geser egser seger esger esegr seegr eesgr eesgr seegr esegr reseg erseg rseeg sreeg esreg sereg reesg eresg reesg eresg eersg eersg rseeg sreeg reseg erseg sereg esreg eserg seerg eesrg eesrg seerg eserg
Note: these 'words' (valid or invalid) are all the permutations of the word grese. These words are obtained by scrambling the letters in grese.