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]: ['z', 'c', 'n', '351', 'f', '239', '71', '351', 'b', '1', '321', 'h', '163']
[EX A]: 1, 2, 3, 5, 6, 7, 9

[EX Q]: ['o', 'f', 'x', '239']
[EX A]: 2, 3, 9

[EX Q]: ['j', 'k']
[EX A]:
-1