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]: ['381', 'l', 'z', '323', 'x', '247', '11']
[EX A]: 1, 2, 3, 4, 7, 8

[EX Q]: ['381', '277', 'g', '307', 'p', '105', '341', 'o', '313', '5', '375', '145', 'k']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8

[EX Q]: ['259', '3', 'w', '485']
[EX A]:
2, 3, 4, 5, 8, 9