Ireland — british_isles borders (2): Scotland, WalesIrelandScotland — british_isles borders (3): England, Ireland, WalesScotlandWales — british_isles borders (3): England, Ireland, ScotlandWalesEngland — british_isles borders (3): Scotland, Wales, NormandyEnglandBrittany — gaul borders (2): Aquitaine, NormandyBrittanyNormandy — gaul borders (5): Alsace, Aquitaine, Brittany, Burgundy, EnglandNormandyAquitaine — gaul borders (4): Brittany, Burgundy, Normandy, ProvenceAquitaineBurgundy — gaul borders (5): Alsace, Aquitaine, Normandy, Provence, SwitzerlandBurgundyProvence — gaul borders (2): Aquitaine, BurgundyProvenceAlsace — gaul borders (4): Bavaria, Burgundy, Normandy, SwitzerlandAlsaceSaxony — central_europe borders (2): Bavaria, PolandSaxonyBavaria — central_europe borders (4): Alsace, Austria, Saxony, SwitzerlandBavariaBohemia — central_europe borders (3): Austria, Poland, SlovakiaBohemiaSlovakia — central_europe borders (5): Austria, Bohemia, Hungary, Poland, Western UkraineSlovakiaAustria — central_europe borders (5): Bavaria, Bohemia, Hungary, Slovakia, SloveniaAustriaSwitzerland — central_europe borders (3): Alsace, Bavaria, BurgundySwitzerlandSlovenia — balkans borders (3): Austria, Croatia, HungarySloveniaCroatia — balkans borders (5): Bosnia, Hungary, Montenegro, Serbia, SloveniaCroatiaBosnia — balkans borders (3): Croatia, Montenegro, SerbiaBosniaSerbia — balkans borders (7): Bosnia, Bulgaria, Croatia, Hungary, Macedonia, Montenegro, RomaniaSerbiaMontenegro — balkans borders (4): Albania, Bosnia, Croatia, SerbiaMontenegroAlbania — balkans borders (3): Greece, Macedonia, MontenegroAlbaniaMacedonia — balkans borders (4): Albania, Bulgaria, Greece, SerbiaMacedoniaGreece — balkans borders (3): Albania, Bulgaria, MacedoniaGreeceHungary — carpathia borders (7): Austria, Croatia, Romania, Serbia, Slovakia, Slovenia, Western UkraineHungaryPoland — carpathia borders (4): Bohemia, Saxony, Slovakia, Western UkrainePolandRomania — carpathia borders (5): Bulgaria, Hungary, Moldova, Serbia, Western UkraineRomaniaMoldova — carpathia borders (2): Romania, Western UkraineMoldovaBulgaria — carpathia borders (4): Greece, Macedonia, Romania, SerbiaBulgariaWestern Ukraine — carpathia borders (5): Hungary, Moldova, Poland, Romania, SlovakiaWestern Ukraine