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]: ['353', '231', 'w', 't', 'j', 'r', 'm', '455', 'i', '281', '215']
[A]: 1, 2, 3, 4, 5, 8


[Q]: ['x', '325', 'i', 'n', 'i', 'w', 't']
[A]: 2, 3, 5


[Q]: ['f', '167', 'h', '93', 'y', 'g', 'x', '327', '469']
[A]:
1, 2, 3, 4, 6, 7, 9