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]: ['q', '403', '293', '245', '303', '145', 'u', '385', 'c', 'p', 'r', 'y', '53']
[EX A]: 0, 1, 2, 3, 4, 5, 8, 9

[EX Q]: ['493', '441', '3', 'p', '23', 'x', 'n', '417', '299', 'v', 'l', '415']
[EX A]: 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['109', '169', 'j', '427', 'v', '371', 'q', 'r', 'y', '467', '179', 'p', '295']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9