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]: ['i', 'e', '17', 'q', '15', 'v']
[EX A]: 1, 5, 7

[EX Q]: ['149', '129', 'k']
[EX A]: 1, 2, 4, 9

[EX Q]: ['l', 'e', '365', 'u', 'p']
[EX A]:
3, 5, 6