A third dielectric layer covers {HEAD ~ the second array} of {TAIL ~ wordlines} and exposed portions of the second dielectric layer 
of
A third dielectric layer covers { HEAD ~ the second array } of { TAIL ~ wordlines } and exposed portions of the second dielectric layer
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH