Thanks for posting everybody, I have found more words that I still cannot prononce.
Schleswig
Holstein
Sonderburg
Glucksburg
Copenhagen
Lili Dehn
Hellenes
Xenia
Bolshevik
Livadia
Efimovich
Militza
Montenegro
Michaelovich
Wulfert
Irina
Koulikovsky
Gilliard
Buxhoeveden (excuse me if I spelled it wrong)
Marlborough
Hvidore
Sergievich
Tanieff
Illinkskoe