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]: ['405', 'x', '163', 'z', 'z', '261', 'o']
[EX A]: 0, 1, 2, 3, 4, 5, 6

[EX Q]: ['307', 'y', 'p', '59', 'e', '25', '85', 'h', '123', 'f', '305']
[EX A]: 0, 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['o', '149']
[EX A]:
1, 4, 9