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]: ['k', '153', '13']
[A]: 1, 3, 5


[Q]: ['j', 'k']
[A]: -1


[Q]: ['v', 'k']
[A]:
-1


