Here are my suggestions:
Hana!Dwyer (Dodge Tank Swordmaster) or Charlotte!Dwyer
Charlotte!Selkie or Hana!Selkie
Setsuna!Percy or Camilla!Percy
Elise!Ophelia (Sorcerer)
Effie!Velouria (Berserker) or Camilla!Velouria (Berserker)
Nyx!Nina (Witch)
Hinoka!Sophie
Oboro!Caeldori
Kaze!Shigure
Azura!Midori
Kagero!Shiro
Mozu!Kiragi
Peri!Soleil
Camilla!Ignatius
Sakura!Rhajat
Felicia!Forrest
Beruka!Siegbert
Orochi!Asugi
Rinkah!Mitama
Selena!Hisame