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.

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


[Q]: ['103', '355', '417', 'e', '359', 'c', 'w', 'q', '237', '93', '431', '59', 'l', '121']
[A]: 0, 1, 2, 3, 4, 5, 7, 9


[Q]: ['b', 'n', 'v', '327', 'k', 'd', '487', '167']
[A]:
1, 2, 3, 4, 6, 7, 8