International Morse Code

                      ________   dot �  |  - dash   _______
                     /                                     \
            _______ E _______                        ______ T ______
           /                 \                      /    (or 0)     \
       __ I __             __ A __               _ N _            __ M __
      /       \           /       \             /     \          /       \
     S         U       _ R _       W           D       K        G         O
    / \       / \     /     \     / \        /   \   /   \     / \       / \
   H   V     F   �   L       �   P   J      B     X C     Y   Z   Q     �   CH
  / \   \   /   / \   \     /     \   \    / \   /   \   /   / \       /   / \
 5   4   3 �   o   2   o   +       o   1  6   = /     o (   7   o     8   9   0
              / \     /     \     /   /    \         / \ \       \   /
             ?   _   "       .   @   '      -       ;   ! )       , :
                                                                         ]8;;http://www.phm.lu/PHM.lu]8;;

International Morse Code binary tree
by Philippe Majerus (www.phm.lu)

Nodes in dark gray (� � � CH _ ; !) are not part of ITU M.1677 standard.