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]: ['119', '189', 'k', 'e', '425', '21', '245']
[A]: 1, 2, 4, 5, 8, 9


[Q]: ['k', 'b', 'k', 'l', '441', 'b', '115', 'd', 'b', 'r', '115', 'k', 'a']
[A]: 1, 4, 5


[Q]: ['423', '169', 'x', 'b', 'h', '425', 'f', 'r', 'k', 'k', '465', '275', 'u', 'q']
[A]:
1, 2, 3, 4, 5, 6, 7, 9