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]: ['d', '335', '23', '461', '497', 'p', '313']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['i', 'e', '17', 'q', '15', 'v']
[A]: 1, 5, 7


[Q]: ['t', '273', '109', '155', '499', '273', '227', 'm', '135', 'l', 'b']
[A]:
0, 1, 2, 3, 4, 5, 7, 9