Austin - Caleb
Becky - Amber
Clay - Derrick
Jackie - Nicole
James - Hayden
Jason - Zach
John - Donny
Liz - Christine
Meg - Victoria
Shelli - Cody
Steve - Jocasta
Vanessa - Frankie
This was done on the spot, with the final 12 from each season. Some of these definitely don't match, but whatever. Let me know what you think in the comments.