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]: ['73', '215', '389', '381', 'e', 'v', 'j', 'l', 'r']
[EX A]: 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['221', '191', 'w', 'l', 'h', 'a']
[EX A]: 1, 2, 9

[EX Q]: ['225', '311']
[EX A]:
1, 2, 3, 5