hey if i have a 2 12 cab what are teh different ways to wire it

i know that there is no way to wire 2 8 ohm speakers to get 8 ohms but what are all the options?

like what would 2 4 ohm speakers in parrellel be? in series?

and then the same quesions for 8 ohm and 16 ohm

thanks a ton
2-4 ohms can be wired for 8 ohms in series, 2 ohms in parallel
2-8 ohms can be wired for 16 ohms in series, 4 ohms in parallel
2-16 ohms can be wired for 32 ohms in series, 8 ohms in parallel (does anyone ever use 32ohm?)

and I guess:
a 4 ohm and a 16 ohm can be wired in parallel for 3.2 ohms (~4 ohms)