Learn your F-U-TH's The runic alphabet, or Futhark, gets its name from its first six sounds (f, u, th, a, r, k), much like the word 'alphabet' derives from the first two letters of the Greek ...

Harris remembered an Air Force instructor who had shown him a secret code based on a five-by-five alphabet matrix. Each letter was communicated by tapping two numbers: the first designated the ...