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]: ['389', 'v', '17', 'n', 'm']
[EX A]: 1, 3, 7, 8, 9

[EX Q]: ['l', '201', 's', 'y', 'b', '395', '19']
[EX A]: 0, 1, 2, 3, 5, 9

[EX Q]: ['301', '363', 'c', 'k', 'n', 'e', 'h', '277', 'u', '69', '129', '341']
[EX A]:
0, 1, 2, 3, 4, 6, 7, 9