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Josh BeckmanThe Harold Mangum System uses phonetic sounds for 0 to 9 based on the most common form of the Major System, mentioned above: Suh, Tuh, Nuh, Muh, Ruh, Luh, Shuh, Cuh, Fuh, Puh.
Major system for remembering digits and numbers. Use the consonants to choose words and make sentences to remember a string of numbers.