Pooga
Finally got dr to restore my admin access. After some summerfallowing of the messages and cross referencing with a couple of other databases, I have added the following prefixes.
$10:
FTN
FTP
FTS
$20:
FVR
FVS
FVT
FVU
FVV
FVW
FVZ
FWA
FWB
FWC
FWK
FWS
FWT
$50:
GHD
GHE
GHF
GHL
GHM
GHN
$100:
FKJ
FKN
FKU
FKY
GJA