drupe rdupe durpe udrpe rudpe urdpe drpue rdpue dprue pdrue rpdue prdue dupre udpre dpure pdure updre pudre rupde urpde rpude prude uprde purde druep rduep durep udrep rudep urdep dreup rdeup derup edrup redup erdup duerp uderp deurp edurp uedrp eudrp ruedp uredp reudp erudp uerdp eurdp drpeu rdpeu dpreu pdreu rpdeu prdeu drepu rdepu derpu edrpu redpu erdpu dperu pderu depru edpru pedru epdru rpedu predu repdu erpdu perdu eprdu duper udper dpuer pduer upder puder duepr udepr deupr edupr uedpr eudpr dpeur pdeur depur edpur pedur epdur upedr puedr uepdr eupdr peudr epudr ruped urped rpued prued upred pured ruepd urepd reupd erupd uerpd eurpd rpeud preud repud erpud perud eprud uperd puerd ueprd euprd peurd epurd
Note: these 'words' (valid or invalid) are all the permutations of the word drupe. These words are obtained by scrambling the letters in drupe.