A is for Alpha Eridani II.
B is for Betazed.
C is for Cestus III
D is for Deneb IV, home of Farpoint Station
E is for Eminiar VII
F is for Ferenginar
G is for Gagarin IV
H is for Hoek IV
I is for Indri VIII
J is for Jupiter(as in location of Jupiter Station)
K is for Krios
L is for L-370 system. In which USS Constellation was lost after encountering the planet killer
M is for Mazer, home of the Mazerites.
N is for Nagilum
O is for Orion, where it's not easy being green
P is for Pacifica
Q is for Q, Planet
R is for Reptilian Xindi
S is for Sherman's Planet. Where else can you get your Quadrotriticale?
T is for Commander TUCKER
the yummiest guy in Starfleet...
U is for Uranus. No, not 'your anus'.
V is for Veridian III.
W is for Wrigley's Pleasure Planet
X is for Xindus
Y is for Yridia
(We'll try harder next time.)