doobs odobs doobs odobs oodbs oodbs dobos odbos dboos bdoos obdos bodos dobos odbos dboos bdoos obdos bodos oobds oobds obods boods obods boods doosb odosb doosb odosb oodsb oodsb dosob odsob dsoob sdoob osdob sodob dosob odsob dsoob sdoob osdob sodob oosdb oosdb osodb soodb osodb soodb dobso odbso dboso bdoso obdso bodso dosbo odsbo dsobo sdobo osdbo sodbo dbsoo bdsoo dsboo sdboo bsdoo sbdoo obsdo bosdo osbdo sobdo bsodo sbodo dobso odbso dboso bdoso obdso bodso dosbo odsbo dsobo sdobo osdbo sodbo dbsoo bdsoo dsboo sdboo bsdoo sbdoo obsdo bosdo osbdo sobdo bsodo sbodo oobsd oobsd obosd boosd obosd boosd oosbd oosbd osobd soobd osobd soobd obsod bosod osbod sobod bsood sbood obsod bosod osbod sobod bsood sbood
Note: these 'words' (valid or invalid) are all the permutations of the word doobs. These words are obtained by scrambling the letters in doobs.