daily adily dialy idaly aidly iadly daliy adliy dlaiy ldaiy aldiy ladiy dilay idlay dliay ldiay ilday liday aildy ialdy alidy laidy ilady liady daiyl adiyl diayl idayl aidyl iadyl dayil adyil dyail ydail aydil yadil diyal idyal dyial ydial iydal yidal aiydl iaydl ayidl yaidl iyadl yiadl dalyi adlyi dlayi ldayi aldyi ladyi dayli adyli dyali ydali aydli yadli dlyai ldyai dylai ydlai lydai yldai alydi laydi ayldi yaldi lyadi yladi dilya idlya dliya ldiya ildya lidya diyla idyla dyila ydila iydla yidla dlyia ldyia dylia ydlia lydia yldia ilyda liyda iylda yilda lyida ylida ailyd ialyd aliyd laiyd ilayd liayd aiyld iayld ayild yaild iyald yiald alyid layid aylid yalid lyaid ylaid ilyad liyad iylad yilad lyiad yliad
Note: these 'words' (valid or invalid) are all the permutations of the word daily. These words are obtained by scrambling the letters in daily.