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]: ['z', 'b', 'c', 'l', '453', 'h', '215', '447', '487', 'p', 'y', 'v']
[EX A]: 1, 2, 3, 4, 5, 7, 8

[EX Q]: ['451', '465', '461', '361', 'i', '379', '271', '103', '15', '419', '329', 'g', 'j', '171']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['419', '181', 'f', '495', '315', 'k', '471', '491']
[EX A]:
1, 3, 4, 5, 7, 8, 9