 do it number-digit shorthand present commun system transmit singl charact group code puls simpl termin equip sinc english form spars set alphabet combin method ineffici comput system substitut termin us numer represent entir common phrase charact-by-charact represent requir on-third transmiss time thi save reflect cost other benefit accru code languag translat scheme provis transmiss pure numer binari stream singl charact-transmiss non-dictionari name peopl place 