I saw a thing on Twitter and thought it'd be worth doing on here to pass some time... simply name as many letters as you can with courses you have played:

Here's mine:

A - Atherton GC (QLD)
B - Barnbougle Dunes (TAS)
C - Cairns GC (QLD)
D - The Dunes (VIC)
E - Eynesbury (VIC)
F -
G - Glenelg GC (SA)
H - Horton Park GC (QLD)
I - Innisfail GC (QLD)
J - Jasper Park Lodge (Canada)
K - Kinloch (NZ)
L - Links Kennedy Bay (WA)
M - Metropolitan GC (VIC)
N - Nirwana Bali Golf Club (Indonesia)
O -
P - Portsea GC (VIC)
Q - Queenscliff GC (VIC)
R - Royal Dornoch (Scotland)
S - St. Andrew's Beach (VIC)
T - Tasmania GC (TAS)
U -
V - Victoria GC (VIC)
W - Woodlands GC (VIC)
X -
Y - Yering Meadows (VIC)
Z -