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]: ['221', '191', 'w', 'l', 'h', 'a']
[EX A]: 1, 2, 9

[EX Q]: ['229', '369', 'c', '7', 'f', 'h', '455', 't', '249', 's']
[EX A]: 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['447', 'k', '237', 'e', '385', '11', '431', 'm', 'p', '81', '391', 'y', '275', 'k', '323']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9