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]: ['205', '107', 'z']
[A]: 0, 1, 2, 5, 7


[Q]: ['d', 'a', 'c', 'b', '93', 'b', 'o', '181', '445', '325']
[A]:
1, 2, 3, 4, 5, 8, 9