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]: ['h', '477', 'w', '315', 'k', 'd', '367', '411', '207', 'b', '81', 'k', 'f', '107', '103']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8

[EX Q]: ['c', '341', 'p', 'y', '449', 'a', 'b', '243', '401', '121', '315', 'i', '159']
[EX A]:
0, 1, 2, 3, 4, 5, 9