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]: ['c', '155', '61']
[EX A]: 1, 5, 6

[EX Q]: ['163', '291', 'm', 'z', '99', 'd', '365', 'm', '89', 's', 'e', 'q', 's', '161']
[EX A]: 1, 2, 3, 5, 6, 8, 9

[EX Q]: ['147', 'd']
[EX A]:
1, 4, 7