Another variant:

Doh, a beer, a Mexican beer,
Ray, a bloke who buys me beer,
Me, a guy, I buy beer for,
Fa, a long way to the bar,
So, I think I'll have a beer,
La, la la la la la laaaa,
Tea, no thanks I'll have a beer,
And that brings us back to,
Dough . . . (etc)