ASL signs by approximate starting dominant handshape

Zero Fingers in a Row	I and S Group (I, Y (shaka); A, Open A, S)
One Finger in a Row	D and T Group (1, D, Corna (1 and I), L, ILY (L and Y); T, G, Small C, Small O, Small flat O, X, Open X)
Two Fingers in a Row	V and N Group (3, Bent 3, H, K, R, U, V, 2; Bent V, Open double X, Double X, N, Open N, Bent open H)
Three Fingers in a Row	W and M Group (6, W; M)
Four Fingers, one bent or touching thumb	F and O Group (9, F, Flat F, Open F, 8, Open 8, 7; O, Flat O, E)
Five Fingers in a Row	5 and C Group (4, 5, B, Flat B, Open B; Claw 5, Bent B, C, Flat C)

I and S Group

D and T Group