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: ['v', 'n', '303', '355', 'n', '205', '393', '239', '239', 'm', '123', '487']

A: 0, 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['167', '229', '439', '389', '483', '207']

A: 0, 1, 2, 3, 4, 6, 7, 8, 9
****
Q: ['f', '57', 'f', '247', '321', 'l', 's', '473']

A:
1, 2, 3, 4, 5, 7
****