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CUA CUB CUC CUD CUE CUF CUG CUH CUI CUJ CUK CUL CUM CUN CUO CUP CUQ CUR CUS CUT CUU CUV CUW CUX CUY CUZ
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.