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