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: ['127', 'd', '479', 'v', '213', 'm', 'z', '151', 'h', '455']

A: 1, 2, 3, 4, 5, 7, 9
****
Q: ['141', 'm', '139', '197', '321', '265', 'p']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['339', '237', '161', 'z', 'a']

A:
1, 2, 3, 6, 7, 9
****