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]: ['233', '189', '217', 's', '221', 'v', 'c', 'x', '455']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['257', '111', 'g', '277', '473', '105', 'x', '217']
[EX A]: 0, 1, 2, 3, 4, 5, 7

[EX Q]: ['p', '405', '269', 'o', '479', 'n']
[EX A]:
0, 2, 4, 5, 6, 7, 9