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]: ['483', '409', '129', 'u', '167', '275', 'p', '163', 'r', 'q', 'i', '481', 'j', '271']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['p', 'p', '91']
[A]: 1, 9


[Q]: ['303', '333', 'p', '83', 'j', 'z', 'b', '193']
[A]:
0, 1, 3, 8, 9