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]: ['381', 'l', 'z', '323', 'x', '247', '11']
[EX A]: 1, 2, 3, 4, 7, 8

[EX Q]: ['u', '157', '63', '411', 'x', 'c', 'k', 'z', 'i', '279', '311', '431']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['v', 'o', '45', 'x', 'c', '387', 'h', 'h', '113', '417', 'j', 'w', '121', 'd', '399']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9