Okay, I think I have things narrowed down. (And thanks to the rule changes, I can include a canon I was waffling on.)

So, tentatively, my nominations are:

Bodacious Space Pirates:
Jenny Dolittle/Lynn Lambretta
Marika Kato/Chiaki Kurihara
Marika Kato/Mami Endo
Marika Kato/Gruier Serenity
[empty slot]

Kiniro Mosaic:
Alice Cartalet/Karen Kujo
Alice Cartalet/Omiya Shinobu
Inokuma Yoko/Komichi Aya
Karen Kujo/Omiya Shinobu
[empty slot]

Maria-sama ga Miteru:
Fukuzawa Yumi/Ogasawara Sachiko
Hasekura Rei/Shimazu Yoshino
Kanina Shizuka/Toudou Shimako
Kubo Shiori/Satou Sei
Nijou Noriko/Toudou Shimako

Notes From the Garden of Lilies:
Fujiwara Misono/Kurashiki Yuri
Azusa/Shinobu
[3 empty slots]

Strawberry Panic:
Aoi Nagisa/Hanazono Shizuma
Hanazono Shizuma/Sakuragi Kaori
Hyuga Kizuna/Natsume Remon
Kenjo Kaname/Kiyashiki Momomi
Konohana Hikari/Ohtori Amane