Voice
A - Active
M - Middle
P - Passive
M/P - Middle or Passive
Case
N - Nominative
V - Vocative
A - Accusative
G - Genitive
D - Dative
Number
S - Singular
P - Plural
Gender
M - Masculine
F - Feminine
N - Neuter
Comparison
C - Comparative
S - Superlative