4×08 Spell

4×18 Spirt

5×06 Exposed

6×03 Wither

6×07 Rage

6×13 Crimson

6×17 Combat

6×20 Noir

7×05 Action

7×15 Veritas

8×01 Odyssey

8×19 Stiletto

9×01 Saviour

9×08 Idol

9×12 Warrior

9×13 Persuasion

9×15 Escape

9×17 Upgrade

9×18 Charade

10×01 Lazarus

10×03 Supergirl

10×05 Isis

10×06 Harvest

10×07 Ambush

10×15 Fortune

10×21 Finale

I also found this cute drawing on the net:

Source: pjarts.net