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CONA CONB CONC COND CONE CONF CONG CONH CONI CONJ CONK CONL CONM CONN CONO CONP CONQ CONR CONS CONT CONV CONW CONY CONZ
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.