Seven Double Letters
22 Foundation Letters
Three Mother Letters
Seven Double Letters
and Twelve Simple Letters
These are the Twenty-two Letters
with which God engraved and made Three Sepharim,
and with them He created His Universe.
And with them He formed all that was ever formed,
and all that will ever be formed.
God Faithful King rules over them all from His Holy abode forever and ever.
One on Three
Three on Seven,
Seven on Twelve,
and all are bound together.
(Sefer Yetzirah)
Chapter 4: Seven Double Letters
The Seven Double Letters are Bet ב, Gimel ג, Dalet ד, Kaf כ, Peh פ, Resh ר, and Tav ת.
They direct themselves with two pronunciations.
Their structure is thus both soft and hard, both strong and weak.
The Seven Double Letters Bet, Gimel, Dalet, Kaf, Peh, Resh, Tav -
their foundation is Wisdom, Wealth, Seed, Life, Dominance, Peace and Grace.
The Seven Double Letters are in speech and its opposite.
The opposite of Wisdom is Folly,