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]: ['397', 'x', 'e', '179', '105', '381']
[EX A]: 0, 1, 3, 5, 7, 8, 9

[EX Q]: ['473', '449', '357', 'p', 'p', 'e', '377', '77']
[EX A]: 3, 4, 5, 7, 9

[EX Q]: ['303', '217', 'b', 'r', 'r', '425', 'u', '59', 'q', 'v', '255', '345']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 9