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]: ['3', '181', 'o', '425', 'f', '391']
[A]: 1, 2, 3, 4, 5, 8, 9


[Q]: ['o', 'f', 'm', 'w', 'w', 'y', 'b']
[A]: -1


[Q]: ['183', '375', '103', '429', 'f', '289', 'u', '469', 'e', 'm']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9