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: ['101', '473', '25', 'i', '117']

A: 0, 1, 2, 3, 4, 5, 7
****
Q: ['u', 'r']

A: -1
****
Q: ['z', '371', '111', 'v', 'y', '335', '131', 'j', 'm', '483', 'h', 'p']

A:
1, 3, 4, 5, 7, 8
****