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]: ['m', '347', 'o', 'i', 'u', '135', 'e', '179', 'q', '13']
[EX A]: 1, 3, 4, 5, 7, 9

[EX Q]: ['r', 'o', 'n', '219', 'a', '419', 'x', '261', 'h', 's', '373', '155', 's', '171']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['381', '393', 'p', '193', '11', '329', '463', 'w']
[EX A]:
1, 2, 3, 4, 6, 8, 9