{TAIL ~ Another alternative} connects the body of the selected transistor from the pair to {HEAD ~ the common gate} of the second inverter 
{ TAIL ~ Another alternative } connects the body of the selected transistor from the pair to { HEAD ~ the common gate } of the second inverter
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH