anchor.diff:  Aeneid,,'në°id
   Aeneolithic,,äënëöli°þik
   aeneous,,äë°në's,
  -Aeolian,,ëö°lë'n
  +aeolian,,ëö°lë'n
   Aeolic,,ëá°lik
   Aeolis,,ë°'lis
   aeolotropy,,ë'lo°tr'pë
  
positive.code: Bhutan,,büta°n
  Bhutanese,,büt'në°z
  Bhutto,,bü°tö
  Bi,,bï°
  BIA,,bï°'
  biacetyl,,bï'së°t'l
  Biafra,,bëá°fr'
  
negative.code: ayres,,e°rz,,ayre-s
  Ayrshire,,"ä°rśër",
  ayuntamiento,,áyüntámye°nto
  ayurveda,,á°y'rväd'
  azalea,,'zä°ly'
  azaleas,,'zä°ly'z,,azalea-s
  azan,,ázá°n
  