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]: ['u', 'r']
[A]: -1


[Q]: ['x', '343', '391', '381', 'q', '317', '403', '89', '271']
[A]: 0, 1, 2, 3, 4, 7, 8, 9


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