Dip Progressions:
-Bench dips (5x10)
-Bench dips feet elevated (5x10)
-Negative dips (5x5x5s.)
-Negative dips (5x5x10s.)

Set and rep schemes:
5x10
3x2, 5x2, 3x4
4x4, 4x6, 5x6
4x8, 4x10, 5x10

5x5
3x1, 5x1, 3x2
4x2, 4x3, 5x3
4x4, 4x5, 5x5

Stick with one progression until you reach 5x10r or 5x5r set on it.
Move to next progression and start over.