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]: ['291', '445', 'q', 't']
[EX A]: 1, 2, 4, 5, 9

[EX Q]: ['q', '403', '293', '245', '303', '145', 'u', '385', 'c', 'p', 'r', 'y', '53']
[EX A]: 0, 1, 2, 3, 4, 5, 8, 9

[EX Q]: ['177', 'i', '171', '321', 'z', 'w', 'z', '183', 'z', '157', 'b', 'i']
[EX A]:
1, 2, 3, 5, 7, 8