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]: ['201', 'm', '157', 's', 'n', 'i', '325', 'x', '247', 'u', '187', 'e', '199']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['161', '433', '373', '225', '161', 'b', '179', '311', 'f', '325', 'y', 'c', 'h', '87']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['337', '191', 'i', 'q', 'r']
[EX A]:
1, 3, 7, 9