druse rduse durse udrse rudse urdse drsue rdsue dsrue sdrue rsdue srdue dusre udsre dsure sdure usdre sudre rusde ursde rsude srude usrde surde drues rdues dures udres rudes urdes dreus rdeus derus edrus redus erdus duers uders deurs edurs uedrs eudrs rueds ureds reuds eruds uerds eurds drseu rdseu dsreu sdreu rsdeu srdeu dresu rdesu dersu edrsu redsu erdsu dseru sderu desru edsru sedru esdru rsedu sredu resdu ersdu serdu esrdu duser udser dsuer sduer usder suder duesr udesr deusr edusr uedsr eudsr dseur sdeur desur edsur sedur esdur usedr suedr uesdr eusdr seudr esudr rused ursed rsued srued usred sured ruesd uresd reusd erusd uersd eursd rseud sreud resud ersud serud esrud userd suerd uesrd eusrd seurd esurd
Note: these 'words' (valid or invalid) are all the permutations of the word druse. These words are obtained by scrambling the letters in druse.