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]: ['291', '445', 'q', 't']
[A]: 1, 2, 4, 5, 9


[Q]: ['379', '485', '415', '37', '221', '125', '245', '87', 'a']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['81', 'm', 'q', 'e', '125', '233', 'v']
[A]:
1, 2, 3, 5, 8