Zayin Cubic Chariot Weapon Sword weapon cut, to cut off http://books.google.com/books?id=dVne-RK9UVYC&pg=PA99&lpg=PA99&dq=zayin+chariot&source=bl&ots=iRhJXrWCxv&sig=LfB7y4eT9guIytNQIVheg7Bgx88&hl=en&ei=QIMCSqrELIPF-AaxvoiLAw&sa=X&oi=book_result&ct=result&resnum=5#PPA99,M1 The 8-Pointed Star 8 is the Number of Maat. The 8-pointed star is the representation of the Double sets of twins—Zayin, DNA, Tetragrammaton, and the Sirius Mystery; which is within, beyond and of us. There is also the 8-fold Wheel of the Buddhists—breaking the wheel of the vortex, we attain stardom and, in particular, the magickal comprehension of Sirius and Andromeda. http://www.digital-brilliance.com/kab/karr/maat/PoI.pdf
Letters 5 6 7 are typically
E F  G
So letters G and Z tend to share  properties