C1247 Little Genius!

Moreover, Morse code has designated representations for all 26 letters and numbers 0-9.

Take, for instance, a little girl wanting to convey the message "XIXI." The first letter, X, is denoted in the standard Morse code chart as: dash, dot, dot, dash.

Translated into finger-hooking signals, it would be a slow hook of the pinky, followed by two quick ones, and then another slow hook