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CHAA CHAB CHAC CHAD CHAE CHAF CHAG CHAH CHAI CHAJ CHAK CHAL CHAM CHAN CHAO CHAP CHAR CHAS CHAT CHAU CHAV CHAW CHAY CHAZ
Surnames shown in bold text represent around 90% of the population of Great Britain. All other names are very uncommon in the UK and we are unlikely to have any useful data on them.