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.

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

[EX Q]: ['357', 'c', 'f', '3', 'q', 'w', 'm', 'l', '137', 'k']
[EX A]: 1, 3, 5, 7

[EX Q]: ['r', 'c', 'b', 'o', '205']
[EX A]:
0, 2, 5