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]: ['285', 'h', '231', 'l', 'd', 'k', '309', '345', 'k', 'p', '351', '93', 'b', 'w']
[A]: 0, 1, 2, 3, 4, 5, 8, 9


[Q]: ['r', 'u', '83', 'x', '155', '89', 'c', '391', '41', 'o', 'i', '161']
[A]: 1, 3, 4, 5, 6, 8, 9


[Q]: ['79', 'g', 'e', '121', 'r', 'i', '37', '401']
[A]:
0, 1, 2, 3, 4, 7, 9