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]: ['357', 'c', 'f', '3', 'q', 'w', 'm', 'l', '137', 'k']
[A]: 1, 3, 5, 7


[Q]: ['7', 'u', 's', '75', 't', 'o']
[A]: 5, 7


[Q]: ['r', 'v', 'm', 'z', '3', 'o', '117', 's', 'v', 'l', 's']
[A]:
1, 3, 7