I noticed that police officers would use Adam for A, Boy for B,?
There is a phonetic alphabet that the police and armed forces use but it isn't as you have described above.A AlphaB BravoC CharlieD DeltaE EchoF FoxtrotG GolfH HotelI IndiaJ JulietK KiloL LimaM MikeN NovemberO OscarP PapaQ QuebecR RomeoS SierraT TangoU UniformV VictorW WhiskyX X-rayY YankeeZ ZuluIt was originally used to prevent errors when messages were passed over analogue radios.