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

[EX Q]: ['u', '207', 'q', '371', 's', '51', '217', 'q', '255', '9', '109', 'l', 'b', 'w']
[EX A]: 0, 1, 2, 3, 5, 7, 9

[EX Q]: ['z', '295', 'c', 'm']
[EX A]:
2, 5, 9