mardy amrdy mrady rmady armdy ramdy madry amdry mdary dmary admry damry mrday rmday mdray dmray rdmay drmay ardmy radmy adrmy darmy rdamy dramy maryd amryd mrayd rmayd armyd ramyd mayrd amyrd myard ymard aymrd yamrd mryad rmyad myrad ymrad rymad yrmad arymd raymd ayrmd yarmd ryamd yramd madyr amdyr mdayr dmayr admyr damyr maydr amydr myadr ymadr aymdr yamdr mdyar dmyar mydar ymdar dymar ydmar adymr daymr aydmr yadmr dyamr ydamr mrdya rmdya mdrya dmrya rdmya drmya mryda rmyda myrda ymrda rymda yrmda mdyra dmyra mydra ymdra dymra ydmra rdyma dryma rydma yrdma dyrma ydrma ardym radym adrym darym rdaym draym arydm raydm ayrdm yardm ryadm yradm adyrm dayrm aydrm yadrm dyarm ydarm rdyam dryam rydam yrdam dyram ydram
Note: these 'words' (valid or invalid) are all the permutations of the word mardy. These words are obtained by scrambling the letters in mardy.