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]: ['i', '249', '287']
[A]: 2, 4, 7, 8, 9


[Q]: ['z', 't', 'm', '295', '459', 'r', 'k', '149', '263', '5', '57', '455']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['251', '21', 'g', 'f', '395', 's', 'o', '151', 'u', 'l', '219', 'd', 'y']
[A]:
1, 2, 3, 5, 9