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


[Q]: ['449', '427', 'g', '397', '439', 'f', 'b', 'z', 't', 'f', 's', '379', 'o']
[A]: 2, 3, 4, 7, 9


[Q]: ['307', '241', 'x', '397', 'a', '361', 't', '61', '243', '99', 'u', '465', '409', 'm', 'e']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 9