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]: ['y', '301', 'c', 'l', 'x', '257', 'l', '1', 'r', '127', 'f', '157', '91', '423']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['299', '95', 'd', '423', 'q', 'u', '167', '209', '477', 'h', 'k', 'a', '213']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['q', '359', '129', 'e', 'p', '39', 'z', '87', 'v', '281', 'c', 'e', 'g', '293']
[EX A]:
1, 2, 3, 5, 7, 8, 9