Masculine endings all
Er
En
Em
Es
Feminine endings
E
E
Er
Er
Neutral endings
S
S
M
ES
Plural endings
E
E
En
Er
Definite article: nom, fem
Die
Definite article: dat, plural
Den
Definite article: acc, mas
Den
Definite article: genetive, neutral
Des
Definite article: acc, plural
Die
Definite article: dat, masc
Dem
Definite article: genetive, fem
Der
Definite article: gen, plural
Der
When in genetive what do we add to the end of nouns - masculine and neutral
Es for 1 syllable
S for 2 syllable