This is the current movelist/notes gathered from all available Demos played over the last few months.
Moves retained from Soulcalibur V:
Verticals:
BB
3B (SC6 Note: Lethal Hit on crouching opponents.)
44B (Still capable of entering MST)
66B/33B/99B,66BB/33BB/99BB
11B, 11BA, 11BA4~MST...