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]: ['i', 'f', 'g', '267', '113', '93', 'r', '401', 'g', 'e']
[EX A]: 0, 1, 2, 3, 4, 6, 7, 9

[EX Q]: ['u', 'm', 's', '101', '427', 'h', 'i', '463', 'j', '77', '465', 'r']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7

[EX Q]: ['335', '479', 'w', '285', '59', 'z', 'v', '435', 'h', 'n', 'x', 'q', 't', '15', 'm']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9