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]: ['221', '191', 'w', 'l', 'h', 'a']
[A]: 1, 2, 9


[Q]: ['455', '447', 'x', '479', 'b', '267', '339', '29', '267']
[A]: 2, 3, 4, 5, 6, 7, 9


[Q]: ['183', 'u', 'x', '415', '379', 'k', 'g', '191', 't', '363', 'd', '211', 'l', 'z', '443']
[A]:
1, 2, 3, 4, 5, 6, 7, 8, 9