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]: ['213', 'm', '347', '217', 'g', '207', '361', 'q']
[EX A]: 0, 1, 2, 3, 4, 6, 7

[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]: ['m', 'x', '309', '317', 'x', 'r', 'a', 'l', 'b', '127']
[EX A]:
0, 1, 2, 3, 7, 9