Seems you sometimes need the same sort of wild imagination to make something out of nothing here just like those sillies with their "personalised" car plates.
G-DOFY was not the D of Y's, she merely learned to fly in the scrofulous old heap which some sycophant had re-registered for the occasion.
Why have none of the Police units got G-LOLO? Hmm, something to do with coppers' sensavumour perhaps!
The CAA some years back refused, if memory serves, G-ZIZI, which apparently is french slang for the female pudenda. How the hell did they know that???