I am throwing in my support for the letter "K". Where would we be without this glorious and often misunderstood letter? The letter "K" should be used more often in games.
King, kite, kitten, kangaroo, kitchen, kids, know, kathmandu, Kolkata, korea, keep, Kevin, Keller, Kelvin, Kashmir, kurtha, Kali, knowing knowledge, kapil
the use of the letter k on the keyboard shortcut k as a skill