A quick google shows that there are a few other versions of this song on the interweb, but this one was given to me on a tatty old piece of paper by a family friend when i first started playing the Uke.
I think it does the job quite well, and being in C means its quite good for beginners.

When I’m Cleaning Windows – George Formby

When playing the Ab7, i tend to cheat and use my thumb to finger the ‘G’ String – ooer!