In one embodiment, {TAIL ~ the second transistor} impedes static current flow from the first transistor, through the second transistor, to {HEAD ~ the logic input} 
In one embodiment , { TAIL ~ the second transistor } impedes static current flow from the first transistor , through the second transistor , to { HEAD ~ the logic input }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD