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]: ['493', '241', '239', 'g', 'q', '319', '49', '245']
[EX A]: 1, 2, 3, 4, 5, 9

[EX Q]: ['t', '419', 'f']
[EX A]: 1, 4, 9

[EX Q]: ['f', 'h']
[EX A]:
-1