{HEAD ~ The first attenuator} is switched after {TAIL ~ a syllable delay}, and the second attenuator is switched after a yet longer delay 
is switched after
{ HEAD ~ The first attenuator } is switched after { TAIL ~ a syllable delay } , and the second attenuator is switched after a yet longer delay
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH