Jonathan Rado - The Simple Song lyrics

All that I can do is sing a simple song to you With some simple words and a simple melody All that I can sing is but a ring-a-ling-ding Or a deedle-dee or a doodle-doo All I can do is sing a simple song All I can sing is but a dimple song All you need is a [?] And a simple melody That'd be This last part isn't very long Just a few short lines The end of the song Like an [?] And an [?] And an E7