anchor.diff:  exercitar,exercise,exercício
   exercer,exert,
   exalar,exhale,
  -exhaurir,exhaust,escape
  +exaurir,exhaust,escape
   exibir,exhibit,exposição
   animar,exhilarate,
   exortar,exhort,
  
positive.code: ,flash,flash
  achatar,flatten,
  alisar,flatter,alisador
  saboriar,flavor,sabor
  empenar,fledge,
  fugir,flee,
  tosquiar,fleece,velo
  
negative.code: estender,extend,
  exterminar,exterminate,
  extinguir,extinguish,
  extorquir,extort,
  extrair,extract,extrato
  extraditar,extradite,
  