Found this is off the Retail Accessory Guide effective May 14, 2014 for the Australian market. Link here:
http://www.subarutoowong.com.au/broc...ccessories.pdf
WU - Satin White Pearl
V2 - Crystal Black Silica
B5 - Galaxy Blue Silica
S3 - Sterling Silver Metallic
EN - Dark Gray Metallic
RL - Lightning Red
PG - WR Blue Mica
TQ - Ice Silver Metallic
E4 - WR Blue Pearl
So the updated list looks like this:
86321CA610W6 - Unpainted
86321CA610V2 - Crystal Black Silica (D4S)
86321CA610B5 - Galaxy Blue Silica
86321CA610E4 - WR Blue Pearl
86321CA610EN - Dark Gray Metallic
86321CA610RL - Lightning Red
86321CA610TQ - Ice Silver Metalli