Mesa 6i24/5i24 + 7i33 + 7i48s - which BIT file?

I'm attempting to run a 6i24_25 (5i24 compat mode) with a 7i33 (XYZA) and a 7i47s (spindle VFD control, encoder/MPG/handwheel, I/O), and possibly a 7i37 if I need more I/O. Not sure what BIT file to use or if I'll have to make my own - tried a few pre-made ones, and got mixed results (but not 100% sure what I'm doing). I'm hoping someone can point me in the right direction to start. Here's what I'm attempting to make work the boards with (it's a rather large mill to learn this stuff on, but it was free):

3x AMC 30A20ACT analog drivers (mill came with good DC servos, just old/bad driver/controls so I picked these up cheap) (only doing 3 axis at first, but might add a 4th once I'm up and running)
Hitachi WJ200-022SF VFD for spindle (looked like 0-10v was simplest way to control)

Also not sure if adding a 2nd encoder (i.e. glass scales) in addition to the rotary encoders on the servos is necessary (i.e.to help make it a more accurate machine) - if so, was planning on using the 7i48s for those and an encoder used for a MPG. AMC drivers use tach feedback (same as original controllers) and I'm going to attempt to use that as the first feedback loop, then the differential encoders on the servos to the 7i33 board.

If I were to build my own BIT file, what version of the ISE works best (wasn't successful with my first attempt with 14.7 but didn't spend a lot of time on it), and what hostmot2 source files should I start with? I've seen a few hostmot2 collections out there, but not sure which are best to start with.

Thanks for any help!

Theres no standard bitfile for this combination but I can build one. Normally 7I47s are used with stepgens, pwmgens or sserial interfaces the outputs not sure what you would like

Thanks for the super-quick responses! I had tried the 5i24_25_svst1_4_7i47s.bit, but it didn't look like it was going to provide the PWMs I needed for my analog servo drivers. Here's what I'd like to do with the hardware I have if possible:

7i33 - 4x differential encoders, 4x analog servos
7i47s - 4x differential encoders, 1x spindle (ena, dir, analog speed control) -- TX unused, AUX as GPIO?
7i37 - GPIO - coolant, home/limit switches, physical buttons/switches/lights

Is that enough info? I appreciate the offer to build a BIT file if it's not too much to ask - ultimately I'd like to understand how to do this myself, but I've got a lot of learning to do, and it would get me over this hurdle.

freeby.mesanet.com/5i24_25_7i33_7i47s.bit