Colors of Australian kelpie

The color series and names of kelpie:

B LOCUS - The liver gene
B : black (black)
b : liver (red / chocolate or brown)
A LOCUS - The agouti gene
A : solid
at : tan markers (black and tan / red and tan / blue and tan / fawn and tan)
D LOCUS - The dilution gene
D : normal pigment
d : diluted pigment (smoke blue / fawn)
E LOCUS - The recessive red gene
E : normal extension
e : recessive red (cream or yellow on working kelpie)
S LOCUS - The white spotting gene
S : no white
s : white spots