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]: ['221', '191', 'w', 'l', 'h', 'a']
[A]: 1, 2, 9


[Q]: ['233', '189', '217', 's', '221', 'v', 'c', 'x', '455']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['159', 's', 'c', 'f', '351', 'e', 't', '161', '159', 'q', 'b', 'z', '425', 'n', 'a']
[A]:
1, 2, 3, 4, 5, 6, 9