I and IV6/4
the first two chords in voice leading based off the first scale degree.
ii, V6/4, vii dim6
in order these are the voice leading chords based off the second scale degree
I6
Chord for voice leading based off the 3rd scale degree
IV, ii6
in order these two chords are based off the 4th scale degree
I6/4, V
In order of importance these two chords dwell on the 5th scale degree
vi, IV6
these two chords in voice leading are on the 6th scale degree