anchor.diff:  chess board,noun
   aces,noun
   box,noun
  +ant,noun
   triple,noun
   tri,adjective
   burger,noun
  
positive.code: cactus,noun
  maker,noun
  martial,adjective
  
negative.code: straits,place.general
  water,place.general
  waterway,place.general
  waterfall,place.general
  waterways,place.general
  coast,place.general
  horn,place.general
  