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]: ['345', 'k']
[A]: 3, 4, 5


[Q]: ['j', 's', '127', 'o', 'e', '227', 'k', 'o']
[A]: 1, 2, 7


[Q]: ['z', 'm', '133', 'c', 'n']
[A]:
1, 3