if A=1, B=3, C=5, and so on, what do the number 3, 9, and 7 stands for?

if A=1, B=3, C=5, and so on, what do the number 3, 9, and 7 stands for?

Explanation

if A=1, B=3, C=5, and so on, the number 3, 9, and 7 stands for BED

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