drmalaxz t1_iudnc1h wrote
Reply to comment by atomicsnarl in ELI5: Morse code is made up of dots and dashes. How did telegraph operators keep from losing track of where one letter ended and another began? by copperdomebodhi
Swedish army telegraph training also used mnemonics like that, but with the added bonus that the first letter of the mnemonic was the letter it represented.
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