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.

['85', '311', 'x', '97', 'b', '277', 's', 'a', 'v', 'o', 'a']
1, 2, 3, 5, 7, 8, 9

['z', '375', 'v', 'o', 'v', '31', 'u', 'x', 'q', 'x', '71', 'n', 'v']
1, 3, 5, 7

['449', '271', 'w', '197', '263']

1, 2, 3, 4, 6, 7, 9