a	
b	Basename
c 	Clone
d	DynamicBody
e	Center
f	ShapeSphere
g	ShapeCylinder
h	ShapeBox
i	Bounds
j	Instance (Uses InstanceObject() rather than CloneObject())
k	KinematicBody
l	Path
m	MipMap
n	
o	Object Number * 10000
p 	Point
q	2D Physoics shape
r	Reverse (Paths)
s	StaticBody
t	Transparent
u	Uv
v	Vector
w	ShapePolygon
x	Plane for paths
y	Plane for paths
z	Plane for paths

Names beginning with uppercase L are lights
Names beginning with Group are ignored