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]: ['q', 'p', 'y', 'p', 'k', 'r', '481', 'v']
[A]: 1, 4, 8


[Q]: ['n', '187', 'a', '77', 't', '409', 'p', 'g', 'c', 'v', '111']
[A]:
0, 1, 4, 7, 8, 9