 a write word line that controls a transistor formed between the conductive spacer in a first bit sub cell and the conductive spacer in a second bit sub cell, said {HEAD ~ write word line} is aligned orthogonal to said first bit line and {TAIL ~ second bit} line 
is aligned orthogonal to
a write word line that controls a transistor formed between the conductive spacer in a first bit sub cell and the conductive spacer in a second bit sub cell , said { HEAD ~ write word line } is aligned orthogonal to said first bit line and { TAIL ~ second bit } line
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH