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]: ['489', 'y', 's', 'x', '203', 't', 'y', '461', 'v', 'k', '371', 'e']
[EX A]: 0, 1, 2, 3, 4, 6, 7, 8, 9

[EX Q]: ['q', '17', '497', '69', 'n', '25', 'a', 'j', 'c', 'j', '303', '453', 'k', 'h']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['85', '385']
[EX A]:
3, 5, 8