A is for Aft phaser banks. B is for Ben. He commanded DS9. C is for Constellation-class Federation starships. They served in Starfleet for at least 85 years. D is for Doomsday Machine. One was quite sufficient. E is for ESP and Elizabeth Dehner, who had it in spades. F is for Ferengi Marauders. G is for Genesis. Genesis allowed is not. Is planet forbidden. H is for Harrakis V. I is for Ishka, mother of Quark and Rom, widow of Keldar. J is for Jokes about green blood and pointed ears. K is for K'mpec, the longest-ruling Chancellor of the Klingon High Council. He died after being slowly and gradually poisoned by his political enemies in 2367.