Part 7 · Chapter 36

Yet, the letters BDK HYH, which are posterior vessels of AVI, of which it has been explained that AVI took two lights, Hotem and Peh, and only the light of Ozen is absent in them. For this reason, only the posteriors descended from them. To indicate that one light of the Ozen that is missing from them, we place one tag only on each letter of them, for it alone departed. It stands hanging above the letter, which is a vessel.