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]: ['s', '443', '239', 't', '99']
[A]: 2, 3, 4, 9


[Q]: ['293', '473', '79', 'j', '455', '285', 'k', 'd', '379', '249', '73', '229']
[A]: 2, 3, 4, 5, 7, 8, 9


[Q]: ['141', '263', '323', '235', 'l', '409', '397', '121', '451', '415', '207', '197', '499', 'a', '389']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9