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]: ['403', 'j', 'x', '187', '311', 'g', 'z', 'p', '287', 'w', 'k', 'm']
[EX A]: 0, 1, 2, 3, 4, 7, 8

[EX Q]: ['447', '77', '337', 'i', '257', '477', 'l', 'm', '357', 'k', '293', '425', 's']
[EX A]: 2, 3, 4, 5, 7, 9

[EX Q]: ['f', 'v', 'n', '313', 'o', 'q', '91', '355', 'y', 'v', 't', '259', '209', 'q']
[EX A]:
0, 1, 2, 3, 5, 9