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]: ['j', 'k']
[A]: -1


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


[Q]: ['u', 'p', '37', '199', '197', 'l', '213', 'k', '303', '459', '155', 'h', '449']
[A]:
0, 1, 2, 3, 4, 5, 7, 9