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]: ['v', '351', 's', 'f', 'd', '137', '11', '355', '345', 'm', 's', '165', '97', '225']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['s', '45']
[EX A]: 4, 5

[EX Q]: ['o', 'z', '179', '143', '427', 'n', '43', 'f', 'u', 'k', '479']
[EX A]:
1, 2, 3, 4, 7, 9