Odd question about prefabs...

[MidnightFox]

Long story short working on building a map to ask my lil lady to marry me. I'm starting this project now cause i know it's going to take me a few months to polish the map and the textures. So i need to know is there a set of prefabs out there of letters and numbers? would make it easier to use and look a bit better instead of making a wall texture asking it.

For those wondering about the map,
basically it's going to be a large room with the question on the wall. there will be two buttons on the floor, if she steps on the yes button the Jorg in the room will fall in to a lava pit. how ever if she goes to step on the No button, it will be just a hollow floor leading to a long pit that ends in a pool of lava.