A is for Adam. Yea, brother, we reach! B is for Bibi Besch, who played a middle-aged Carol Prime. C is for Captain Leo Walsh, better known as Harry Mudd. D is for Deneb IV, first visited by Starfleet officers at some unspecified date prior to 2265. E is for Engrams from Richard Daystrom impressed onto the M-5 Multitronic Unit. F is for Ferengi Rules of Acquisition. There were 285 of them during the late 24th century, though some Ferengi often added their own unofficial ones to the list. G is for Gaetano the radiation specialist, a redshirt in all but color. H is for Holodeck malfunctions.