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]: ['73', '199', '189', '27', 'm', '101', '61', '113', 'y', '169']
[A]: 0, 1, 2, 3, 6, 7, 8, 9


[Q]: ['195', 'l', 'l', '423', '227', '29']
[A]:
1, 2, 3, 4, 5, 7, 9