rdila drila ridla irdla dirla idrla rdlia drlia rldia lrdia dlria ldria rilda irlda rlida lrida ilrda lirda dilra idlra dlira ldira ildra lidra rdial drial ridal irdal diral idral rdail drail radil ardil daril adril riadl iradl raidl aridl iardl airdl diarl idarl dairl adirl iadrl aidrl rdlai drlai rldai lrdai dlrai ldrai rdali drali radli ardli darli adrli rladi lradi raldi arldi lardi alrdi dlari ldari dalri adlri ladri aldri rilad irlad rliad lriad ilrad lirad riald irald raild arild iarld airld rlaid lraid ralid arlid larid alrid ilard liard ialrd ailrd laird alird dilar idlar dliar ldiar ildar lidar dialr idalr dailr adilr iadlr aidlr dlair ldair dalir adlir ladir aldir iladr liadr ialdr aildr laidr alidr
Note: these 'words' (valid or invalid) are all the permutations of the word rdila. These words are obtained by scrambling the letters in rdila.