You know, you might at least try to match up those letters to the real lyrics of the song.
12 drummers drumming
11 pipers piping
10 lords a-leaping
9 ladies dancing
8 maids a-milking
7 swans a-swimming
6 geese a-laying
5 golden rings
4 calling birds
3 french hens
2 turtledoves
and a partridge in a pear tree.