Damage #s are (standing/crouching/air)
L - LIGHT (50k/43k/48k)
Both Standing L and Crouching L chain into into themselves for easy hit confirms. Be wary of using too many, as damage scaling in this game is severe.
M - MEDIUM (65k/70k/68k)
Crouching M does chip damage. Jumping M has a very good vertical hitbox and may also cross up.
H - HARD (83k/75k/83k)
Standing H will knock the opponent back. Crouching H slides forward. Jumping H is good horizontal range and crosses up.
S - EXCHANGE (90k/NA/90k)