merse emrse mrese rmese ermse remse mesre emsre msere smere esmre semre mrsee rmsee msree smree rsmee srmee ersme resme esrme serme rseme sreme meres emres mrees rmees ermes remes meers emers meers emers eemrs eemrs mrees rmees meres emres remes ermes erems reems eerms eerms reems erems meser emser mseer smeer esmer semer meesr emesr meesr emesr eemsr eemsr mseer smeer meser emser semer esmer esemr seemr eesmr eesmr seemr esemr mrsee rmsee msree smree rsmee srmee mrese rmese merse emrse remse ermse msere smere mesre emsre semre esmre rseme sreme resme ersme serme esrme ersem resem esrem serem rseem sreem eresm reesm eersm eersm reesm eresm eserm seerm eesrm eesrm seerm eserm rseem sreem resem ersem serem esrem
Note: these 'words' (valid or invalid) are all the permutations of the word merse. These words are obtained by scrambling the letters in merse.