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]: ['93', 'h', 'd', 'z', '395', 'r', 'j', 'f', '323', '215', 'n', 's', '497']
[EX A]: 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['g', '169', '93', 'z', 'h', '493', 'r']
[EX A]: 1, 3, 4, 6, 9

[EX Q]: ['t', 'x', 'z', '377', 'o', 't', '17', 'r', 'y', 'h', 'j', 'b', 'a', '125']
[EX A]:
1, 2, 3, 5, 7