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]: ['c', 'h', '151', 'g', 'd', 'd', 'k', '37']
[A]: 1, 3, 5, 7


[Q]: ['k', '413', '321', '209', 'k', '263']
[A]: 0, 1, 2, 3, 4, 6, 9


[Q]: ['n', '269', 'b', '277', '73', '83', 'w', 'c', 't', '91', '425', '225', 'a', 'o', 'q']
[A]:
1, 2, 3, 4, 5, 6, 7, 8, 9