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]: ['t', 'r', 'z']
[EX A]: -1

[EX Q]: ['349', '327', 'c', 'a', '493', 'a', 'm', '337', '397', '213', '203', '139']
[EX A]: 0, 1, 2, 3, 4, 7, 9

[EX Q]: ['299', 'x', 'h', 'q', '397', 't', 'c', '9', 'v', '73', '285', 'a', '445', 't', 'v']
[EX A]:
2, 3, 4, 5, 7, 8, 9