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.

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


[Q]: ['469', '65', '111', '135', '209', 'g', '407', 'd', 'r', '325']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['o', 'u', 'r', '397', 'g', '205']
[A]:
0, 2, 3, 5, 7, 9