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]: ['375', '457', '423', 'q', 't']
[EX A]: 2, 3, 4, 5, 7

[EX Q]: ['353', 'y', 'a', 'g', '141', '97', '457', '297', '25', 'g', '131', 'u', '303', '39', 'p']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['397', '135', 'l', '419', 'f']
[EX A]:
1, 3, 4, 5, 7, 9