Filling in the blanks

This week I crossed the 5-poem mark in being able to sing them (with some help with Mom n Dad, of course)...

Here the poems and the parts I can sing (underlined are my words)

One Two
Buck-a-u
Three Four
Shut the door
Five Six
Pickup sticks
Seven Eight
Lay-yem-ste
Nine Ten
A --- BIG --- FAT --- HEN !!!


Ba-ba black sheep
Hey-u-any-ool
Yes-s-yes-s
the-ack-ool
one for the master
on-ame
one for the little boy
who lives down the lane

Remaining three are:
Pat-a-cake (my favorite!)
Wheels on the bus
Old McDonald