You don't. You need an SLR, a TLR and a view camera.

True. Along with a folder and interchangeable lens rangefinder.

And you will of course need a 6x9 or two; given that 6x6 is so good, 6x9 has got to be better. Then you will start wondering what a 4x5 looks like on the light table.

It's all downhill from now