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]: ['v', 'p', '113', '241', 's', 'q', 'b', '293', 'l', 'w', 'w', '127']
[A]: 1, 2, 3, 4, 7, 9


[Q]: ['459', 'd', '473', 'i', 'l', 's']
[A]: 3, 4, 5, 7, 9


[Q]: ['l', '291', '145', '9', '171', 'v', '147', '77']
[A]:
1, 2, 4, 5, 7, 9