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]: ['7', 'n', '443', '131', '189', '187', '261', '451', '449', 'o', 'i', 't', '15']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['317', '221', 'h', '101', '453', '489']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['387', '93']
[EX A]:
3, 7, 8, 9