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]: ['359', '233', '455', '449', 'h']
[EX A]: 2, 3, 4, 5, 9

[EX Q]: ['h', '281', 'x', '471']
[EX A]: 1, 2, 4, 7, 8

[EX Q]: ['337', 'n', '275', '169', '269', '287', '177', 'e', '241', 'v', 't', 'e', '457', '53', '391']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8, 9