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]: ['z', 'e', 'c']
[EX A]: -1

[EX Q]: ['23', 'p', '409', '305', 'z', 'q', '295', '391']
[EX A]: 0, 1, 2, 3, 4, 5, 9

[EX Q]: ['123', '11', 'z', 'q', 'z', '477', 'x', '181', '205', 'p', 'z', 'o']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 8