anchor.diff:  barbola
   barcarole
   bardeen
  -barfly,bar=fly
  +barfly,bar-fly
   barracoon
   barrera
   bashkir
  
positive.code: tractarianism
  transfer
  transferrin
  transit
  transits,transit=s
  transport
  trapan
  treatise
  trickling,trickle=ing
  
negative.code: powwow
  preamble
  prebend
  precautionary,precaution=ary
  precede
  preceded,precede=ed
  precedes,precede=s
  