In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.

[Q]: ['45', 'n', 'u', '199', 'y', 'w']
[A]: 1, 4, 5, 9


[Q]: ['c', '31', '49', 'x', 'n', 'i', 'a', '135', '65', '401', 'b', '213', 'f', '321']
[A]: 0, 1, 2, 3, 4, 5, 6, 9


[Q]: ['179', '241', 'b', 'r', 'a', 'w', 'j', 'b', 'z', '433', 'h', '431']
[A]:
1, 2, 3, 4, 7, 9