I only got up to 4
On the fourth day of Christmas, Mojang gave to me,
4 iron ingots
3 beetroot seeds
2 elytras
And a diamond sword with mending!
12 Oak wood planks
11 Chickens Clucking
10 Creepers Creeping
9 Nether Portals
8 Skeletons Shooting
7 Scary Cave Sounds
6 Sheep eating
5 Oars to mine
4 Iron ignots
3 Bedroot seeds
2 Elytrays
And A diamond sword with mending