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]: ['e', 's', '153', 'e', '377', 'c', 'v', '437']
[EX A]: 1, 3, 4, 5, 7

[EX Q]: ['265', 'x', '109', '319', 's', 'w', '211']
[EX A]: 0, 1, 2, 3, 5, 6, 9

[EX Q]: ['v', 'i']
[EX A]:
-1