64 TEXTURE FAMILIES

BLBKGRPLBRRDWHYL
BLblue-on-blue textureblue-on-black textureblue-on-green textureblue-on-purple textureblue-on-brown textureblue-on-red textureblue-on-white textureblue-on-yellow texture
BKblack-on-blue textureblack-on-black textureblack-on-green textureblack-on-purple textureblack-on-brown textureblack-on-red textureblack-on-white textureblack-on-yellow texture
GRgreen-on-blue texturegreen-on-black texturegreen-on-green texturegreen-on-purple texturegreen-on-brown texturegreen-on-red texturegreen-on-white texturegreen-on-yellow texture
PLpurple-on-blue texturepurple-on-black texturepurple-on-green texturepurple-on-purple texturepurple-on-brown texturepurple-on-red texturepurple-on-white texturepurple-on-yellow texture
BRbrown-on-blue texturebrown-on-black texturebrown-on-green texturebrown-on-purple texturebrown-on-brown texturebrown-on-red texturebrown-on-white texturebrown-on-yellow texture
RDred-on-blue texturered-on-black texturered-on-green texturered-on-purple texturered-on-brown texturered-on-red texturered-on-white texturered-on-yellow texture
WHwhite-on-blue texturewhite-on-black texturewhite-on-green texturewhite-on-purple texturewhite-on-brown texturewhite-on-red texturewhite-on-white texturewhite-on-yellow texture
YLyellow-on-blue textureyellow-on-black textureyellow-on-green textureyellow-on-purple textureyellow-on-brown textureyellow-on-red textureyellow-on-white textureyellow-on-yellow texture

BL= blue, BK= black, GR= green, PL= purple, BR= brown, RD= red, =WH= white, YL= yellow. Reading from horizontal to vertical (horizontal colour-on-vertical colour).

The brown ball shaped icons indicate there is no material linked to this code yet. Though texture parameters for the specific code are available on clicking.