AB = aurora borealis (rainbow)
Galv = galvanized
Lt = light
Met = metallic
OP = opaque
S/L = silverlined
SF = semi-frosted
SPKL = sparkling
Tr = transparent
TW = twisted
Letters used in Miyuki item numbers:
D = dark
F = Frosted (matte)
FR = Frosted Rainbow (matte AB)
L = light
R = rainbow (AB)
S = silverlined
S/L = matte silverlined
SF = semi-frosted