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]: ['o', '235', '479', 'e', '199', 'c', '25', '59', 'g', '415', '201', '129', 'a', 'i', 'c']
[A]: 0, 1, 2, 3, 4, 5, 7, 9


[Q]: ['o', '61', '475', '457', 'a', 'o', 'z', '227', '415', 'z', 'x', 'y', '73', '205', 'y']
[A]: 0, 1, 2, 3, 4, 5, 6, 7


[Q]: ['d', '323', '9', 'i', 'k', 'b', 'o', '151', 'd', 'c']
[A]:
1, 2, 3, 5, 9