LetterYearLetterMonth
A1984AJanuary
B1985BFebruary
C1986CMarch
D1987DApril
E1988EMay
G1989HJune
H1990HJuly
J1991JAugust
K1992KSeptember
L1993LOctober
M1994MNovember
N1995NDecember
P1996
Q1997
R1998
S1999
T2000
U2001
W2002
X2003
Y2004
Z2005