dirge idrge drige rdige irdge ridge digre idgre dgire gdire igdre gidre drgie rdgie dgrie gdrie rgdie grdie irgde rigde igrde girde rgide gride direg idreg drieg rdieg irdeg rideg dierg iderg deirg edirg iedrg eidrg dreig rdeig derig edrig redig erdig iredg riedg ierdg eirdg reidg eridg diger idger dgier gdier igder gider diegr idegr deigr edigr iedgr eidgr dgeir gdeir degir edgir gedir egdir igedr giedr iegdr eigdr geidr egidr drgei rdgei dgrei gdrei rgdei grdei dregi rdegi dergi edrgi redgi erdgi dgeri gderi degri edgri gedri egdri rgedi gredi regdi ergdi gerdi egrdi irged riged igred gired rgied gried iregd riegd iergd eirgd reigd erigd igerd gierd iegrd eigrd geird egird rgeid greid regid ergid gerid egrid
Note: these 'words' (valid or invalid) are all the permutations of the word dirge. These words are obtained by scrambling the letters in dirge.