No, Trevor, I would never do that!
I could understand the answer being COLONY to represent settlement.
I realised the Y represented Unknown, but I did not know that colon could also represent an unknown figure. Knowing that Y represented unknown, I was seeking confirmation that colon could represent a figure.
The advice one gets from this forum from such people as Big Dave, Royston Bowden, yourself and others is too valuable to be trifled with.