dobby odbby dboby bdoby obdby bodby dobby odbby dboby bdoby obdby bodby dbboy bdboy dbboy bdboy bbdoy bbdoy obbdy bobdy obbdy bobdy bbody bbody dobyb odbyb dboyb bdoyb obdyb bodyb doybb odybb dyobb ydobb oydbb yodbb dbyob bdyob dybob ydbob bydob ybdob obydb boydb oybdb yobdb byodb ybodb dobyb odbyb dboyb bdoyb obdyb bodyb doybb odybb dyobb ydobb oydbb yodbb dbyob bdyob dybob ydbob bydob ybdob obydb boydb oybdb yobdb byodb ybodb dbbyo bdbyo dbbyo bdbyo bbdyo bbdyo dbybo bdybo dybbo ydbbo bydbo ybdbo dbybo bdybo dybbo ydbbo bydbo ybdbo bbydo bbydo bybdo ybbdo bybdo ybbdo obbyd bobyd obbyd bobyd bboyd bboyd obybd boybd oybbd yobbd byobd ybobd obybd boybd oybbd yobbd byobd ybobd bbyod bbyod bybod ybbod bybod ybbod
Note: these 'words' (valid or invalid) are all the permutations of the word dobby. These words are obtained by scrambling the letters in dobby.