anchor.diff:  presumptuous
   pretext
   pretor
  +pricier,pricey=er
  +priciest,pricey=est
   primavera
   prior
   privateer
  
positive.code: olefin
  olefine
  omentum
  onerous
  open
  oral
  oran
  orate
  oration
  oratory
  organon
  organzine
  
negative.code: Owen
  owing,owe=ing
  oxidable
  oxtongue,ox-tongue
  oxymoron
  paddymelon
  palatability,palatable=ity
  