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]: ['t', '419', 'f']
[EX A]: 1, 4, 9

[EX Q]: ['85', '101', 'j', 'g', 'o', 'f', 'w', 'o', 'm', '45', 'e', 'z']
[EX A]: 0, 1, 4, 5, 8

[EX Q]: ['391', 't', 'f', 's', 'f', '253', '81', '479', '369', '175', '89', 'h', 'a', '483']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8, 9