lubed ulbed lbued blued ubled buled luebd ulebd leubd elubd uelbd eulbd lbeud bleud lebud elbud belud eblud ubeld bueld uebld eubld beuld ebuld lubde ulbde lbude blude ublde bulde ludbe uldbe ldube dlube udlbe dulbe lbdue bldue ldbue dlbue bdlue dblue ubdle budle udble duble bdule dbule luedb uledb leudb eludb ueldb euldb ludeb uldeb ldueb dlueb udleb duleb ledub eldub ldeub dleub edlub delub uedlb eudlb udelb duelb edulb deulb lbedu bledu lebdu elbdu beldu ebldu lbdeu bldeu ldbeu dlbeu bdleu dbleu ledbu eldbu ldebu dlebu edlbu delbu bedlu ebdlu bdelu dbelu edblu deblu ubedl buedl uebdl eubdl beudl ebudl ubdel budel udbel dubel bduel dbuel uedbl eudbl udebl duebl edubl deubl bedul ebdul bdeul dbeul edbul debul
Note: these 'words' (valid or invalid) are all the permutations of the word lubed. These words are obtained by scrambling the letters in lubed.