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]: ['459', 'd', '473', 'i', 'l', 's']
[A]: 3, 4, 5, 7, 9


[Q]: ['425', 'a', '351', 'v']
[A]: 1, 2, 3, 4, 5


[Q]: ['271', 'f', 'h']
[A]:
1, 2, 7