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.

[EX Q]: ['u', 'm', 'n', 'h', 'u']
[EX A]: -1

[EX Q]: ['v', 'n', '303', '355', 'n', '205', '393', '239', '239', 'm', '123', '487']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['495', '111', '463', '197', '131', 'o', '341', '387']
[EX A]:
1, 3, 4, 5, 6, 7, 8, 9