12 days of Pokemon

a Pidgey in a Pear Tree.
Two Pidoves
Three Blaziken
4 Calling Chatot
5 Ursaring
6 Zangoose-a-Laying
7 Swanna-Swimming
8 Maids-a-Miltank
9 Lilligant Dancing
10 Wailords-a-Leaping
11 'Puffs Puffing
12 Belly Drummers Drumming

a partridge in a pear tree
Two turtle doves
Three French Hens
4 Calling Birds
5 Gold Rings
6 Geese-a-Laying
7 Swans-a-Swimming
8 Maids-a-Milking
9 Ladies Dancing
10 Lords-a-Leaping
11 Pipers Piping
12 Drummers Drumming