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]: ['r', '135', 't', 'm', 'f', '329', '475', '243', 'z', 'q', '31', '141']
[A]: 1, 2, 3, 4, 5, 7, 9


[Q]: ['x', 's', '497', '239', '197', '191', '7', 'h', '191', '281', '55', '317', '407', '201', 'v']
[A]: 0, 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['379', '485', '415', '37', '221', '125', '245', '87', 'a']
[A]:
1, 2, 3, 4, 5, 7, 8, 9


