urged ruged ugred gured rgued grued uregd ruegd uergd eurgd reugd erugd ugerd guerd uegrd eugrd geurd egurd rgeud greud regud ergud gerud egrud urgde rugde ugrde gurde rgude grude urdge rudge udrge durge rduge druge ugdre gudre udgre dugre gdure dgure rgdue grdue rdgue drgue gdrue dgrue uredg ruedg uerdg eurdg reudg erudg urdeg rudeg udreg dureg rdueg drueg uedrg eudrg uderg duerg edurg deurg redug erdug rdeug dreug edrug derug ugedr guedr uegdr eugdr geudr egudr ugder guder udger duger gduer dguer uedgr eudgr udegr duegr edugr deugr gedur egdur gdeur dgeur edgur degur rgedu gredu regdu ergdu gerdu egrdu rgdeu grdeu rdgeu drgeu gdreu dgreu redgu erdgu rdegu dregu edrgu dergu gedru egdru gderu dgeru edgru degru
Note: these 'words' (valid or invalid) are all the permutations of the word urged. These words are obtained by scrambling the letters in urged.