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.

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


[Q]: ['z', 'e', 'c']
[A]: -1


[Q]: ['s', '391', '291', '451']
[A]:
1, 2, 3, 4, 5, 9