S - Square
T - Thunder
U - Unwind
V - Violets
W - Wash
X - X-ray
Y - Yarn
Z - Cmd Z
0 - Empty
1 - No. 1
2 - Two becoming one
3 - 3 little pigs
4 - Quarters
5 - 5 a day
6 - 666/Devil
7 - Lucky 7
8 - 8 Ball
9 - 9am/Fin
Each letter reflects a word or action associated with the letter.
A - Air
B - Burn
C - Crack
D - Drain
E - Eclipse
F - Fluid
G - Game
H - Horror
I - Imagine
J - Jam
K - Ketchup
L - Leaf
M - Maze
N - Nature
O - Orbit
P - Pencil
Q - Queen Bee
R - Rainbow