We'll search for every combination of “Cohen” and your other names.
*COH
C*HHN
CO*HHN
C*ENN
CC*ENN
C*HEN
CC*HEN
CH*HEN
CO*EEN
C*HNN
CO*HNN
CO*ENN
CC*OHN
C*EEN
CC*EEN
CC*NNN
CH*EEN
CH*ENN
CH*NNN
CO*NNN
C*OHN
CO*OHN