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]: ['305', '447', '125', 'c', '469', '231', 'c', '33', 'r', '69', 'p', 'b', '143']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['t', '211', 'h', '99']
[A]: 1, 2, 9


[Q]: ['317', 'x']
[A]:
1, 3, 7