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