1st declension
nom - a acc - am genitive - ae dative - ae nom (pl.) - ae acc (pl.) - as genitive (pl.) - arum dative (pl.) - is
2nd declension
nom - us acc - um genitive - i dative - o nom (pl.) - i acc (pl.) - os genitive (pl.) - arum dative (pl.) - is
3rd declension
nom - ? acc - em genitive - is dative - i nom (pl.) - es acc (pl.) - es genitive (pl.) - um dative (pl.) - ibus