tardy atrdy trady rtady artdy ratdy tadry atdry tdary dtary adtry datry trday rtday tdray dtray rdtay drtay ardty radty adrty darty rdaty draty taryd atryd trayd rtayd artyd ratyd tayrd atyrd tyard ytard aytrd yatrd tryad rtyad tyrad ytrad rytad yrtad arytd raytd ayrtd yartd ryatd yratd tadyr atdyr tdayr dtayr adtyr datyr taydr atydr tyadr ytadr aytdr yatdr tdyar dtyar tydar ytdar dytar ydtar adytr daytr aydtr yadtr dyatr ydatr trdya rtdya tdrya dtrya rdtya drtya tryda rtyda tyrda ytrda rytda yrtda tdyra dtyra tydra ytdra dytra ydtra rdyta dryta rydta yrdta dyrta ydrta ardyt radyt adryt daryt rdayt drayt arydt raydt ayrdt yardt ryadt yradt adyrt dayrt aydrt yadrt dyart ydart rdyat dryat rydat yrdat dyrat ydrat
Note: these 'words' (valid or invalid) are all the permutations of the word tardy. These words are obtained by scrambling the letters in tardy.