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]: ['p', 'r', 'e', 'b', '149', '361', 'i']
[EX A]: 1, 3, 4, 6, 9

[EX Q]: ['499', '493', 'i', '87']
[EX A]: 3, 4, 7, 8, 9

[EX Q]: ['11', 'd', '337', 's', 'g', '409', 'b', '425', '67']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9