{
  "London": ["E", "EC", "N", "NW", "SE", "SW", "W", "WC", "BR", "CR", "DA", "EN", "HA", "IG", "KT", "RM", "SM", "TW", "UB", "WD"],
  "Birmingham": ["B"],
  "Manchester": ["M"],
  "Sheffield": ["S"],
  "Liverpool": ["L"],
  "Nottingham": ["NG"],
  "Newcastle": ["NE", "DH"],
  "Leicester": ["LE"],
  "Coventry": ["CV"],
  "Leeds": ["LS"],
  "Bristol": ["BS"],
  "Stoke-on-Trent": ["ST"],
  "Derby": ["DE"],
  "Southampton": ["SO"],
  "Portsmouth": ["PO"],
  "Brighton": ["BN"],
  "Norwich": ["NR"],
  "Ipswich": ["IP"],
  "Cambridge": ["CB"],
  "Oxford": ["OX"],
  "Reading": ["RG"],
  "Milton Keynes": ["MK"],
  "Swindon": ["SN"],
  "Plymouth": ["PL"],
  "Exeter": ["EX"],
  "Bournemouth": ["BH"],
  "Hull": ["HU"],
  "York": ["YO"],
  "Doncaster": ["DN"],
  "Middlesbrough": ["TS", "DL"],
  "Sunderland": ["SR"],
  "Preston": ["PR"],
  "Blackburn": ["BB"],
  "Bolton": ["BL"],
  "Wigan": ["WN"],
  "Warrington": ["WA"],
  "Chester": ["CH"],
  "Bradford": ["BD"],
  "Huddersfield": ["HD"],
  "Wakefield": ["WF"],
  "Northampton": ["NN"],
  "Peterborough": ["PE"],
  "Lincoln": ["LN"],
  "Luton": ["LU"],
  "Southend": ["SS"],
  "Chelmsford": ["CM"],
  "Canterbury": ["CT"],
  "Gloucester": ["GL"],
  "Worcester": ["WR"],
  "Shrewsbury": ["SY"],
  "Carlisle": ["CA"],
  "Lancaster": ["LA"],
  "Blackpool": ["FY"],
  "Crewe": ["CW"],
  "Stockport": ["SK"],
  "Oldham": ["OL"],
  "Bath": ["BA"],
  "Salisbury": ["SP"],
  "Truro": ["TR"],
  "Wolverhampton": ["WV"],
  "Walsall": ["WS"],
  "Dudley": ["DY"],
  "Slough": ["SL"],
  "Guildford": ["GU"],
  "Tunbridge Wells": ["TN"],
  "Medway": ["ME"],
  "Redhill": ["RH"],
  "High Wycombe": ["HP"],
  "Colchester": ["CO"],
  "Telford": ["TF"],
  "Hereford": ["HR"],
  "Harrogate": ["HG"],
  "Halifax": ["HX"],
  "Stevenage": ["SG"],
  "St Albans": ["AL"],
  "Taunton": ["TA"],
  "Torbay": ["TQ"],
  "Dorchester": ["DT"],
  "Presteigne": ["LD"]
}