How many ranking combinations is there in the 2026 world cup group stage 3rd place ranking?

In the Euros in 2024 there are 15 combinations from 4 third placed teams advancing from 6 groups, as shown with this automated table I made on excel. How many combinations will there be with 8 possible 3rd place teams advancing from 12 groups, which is what will happen in the 2026 world cup?

Automated 3rd place scenario selector on excel based on inputted real results from euro 2024