Units

D - Drone
Z - Zergling
O - Overlord
H - Hydralisk
M - Mutalisk
S - Scourge
Q - Queen
U - Ultralisk
F - Defiler

Special Abilities

Queen

R - Parasite
B - Broodlings
E - Ensnare
I - Infest C.C.

Defiler

B - Basic Mutation

Then...

H - Hatchery
C - Creep Colony
E - Extractor
S - Spawning Pool
V - Evolution Chamber
D - Hydralisk Den

V - Advanced Mutation

Then...

S - Spire
Q - Queen's Nest
N - Nydus Canal
U - Ultralisk Cavern
D - Defiler Mound

Upgrades

Hatchery
L - Upgrade to Lair.

Lair/Hive
H - Upgrade to Hive
B - Evolve Burrow
V - Evolve Ventral Sacs
A - Evolve Antennae
P - Evolve Pneumatized Carapace

M - Evolve Metabolic Boost
A - Evolve Adrenal Glands

Hydralisk Den

M - Evolve Muscular Augments
G - Evolve Grooved Spines
L - Evolve Lurker Aspect

Spire

A - Upgrade Flyer Attacks
C - Upgrade Flyer Carapace
G - Mutate into Greater Spire

Queen's Nest

B - Evolve Spawned Broodling
E - Evolve Ensnare
G - Evolve Gamete Meiosis

Defiler Mound

G - Evolve Plague
C - Evolve Consume
M - Evolve Metasynaptic Node

Ultralisk Cavern