drest rdest derst edrst redst erdst drset rdset dsret sdret rsdet srdet desrt edsrt dsert sdert esdrt sedrt resdt ersdt rsedt sredt esrdt serdt drets rdets derts edrts redts erdts drtes rdtes dtres tdres rtdes trdes detrs edtrs dters tders etdrs tedrs retds ertds rteds treds etrds terds drste rdste dsrte sdrte rsdte srdte drtse rdtse dtrse tdrse rtdse trdse dstre sdtre dtsre tdsre stdre tsdre rstde srtde rtsde trsde strde tsrde destr edstr dsetr sdetr esdtr sedtr detsr edtsr dtesr tdesr etdsr tedsr dster sdter dtser tdser stder tsder estdr setdr etsdr tesdr stedr tsedr restd erstd rsetd sretd esrtd sertd retsd ertsd rtesd tresd etrsd tersd rsted srted rtsed trsed stred tsred estrd setrd etsrd tesrd sterd tserd
Note: these 'words' (valid or invalid) are all the permutations of the word drest. These words are obtained by scrambling the letters in drest.