anchor.diff:  Lostwithiel,LOS
   Loughborough,LBO
   Loughborough Junction,LGJ
  +Low Moor,LMR
   Lowdham,LOW
   Lower Sydenham,LSY
   Lowestoft,LWT
  
positive.code: Edenbridge Town,EBT
  Edge Hill,EDG
  Edinburgh,EDB
  Edinburgh Park,EDP
  Edmonton Green,EDR
  Effingham Junction,EFF
  
negative.code: Kirkham & Wesham,KKM
  Kirkhill,KKH
  Kirknewton,KKN
  Kirkstall Forge,KLF
  Kirkwood,KWD
  Kirton Lindsey,KTL
  Kiveton Bridge,KIV
  