C-Aoko 6ABC 236C 624A 421C safejump demonstration 

You have enough time for an IAD safejump vs almost every reversal in the game.
Against Sion 623B/C, Roa 623B and Arcueid 22C, you can still safejump but you need to use tk.623A instead of IAD.
Ciel 22C and Roa 623C are not safejumpable as C moon.