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.

[EX Q]: ['95', '205', 'c', '101']
[EX A]: 0, 1, 2, 5, 9

[EX Q]: ['p', '45', 'z', '85', 'k', 'e', '191', '265', '261', 'w', 'l', '263', 'w']
[EX A]: 1, 2, 3, 4, 5, 6, 8, 9

[EX Q]: ['n', 'a', 'k', 'j', 'l', 'q']
[EX A]:
-1