CE*YSS
We'll search for every combination of “Cerys” and your other names.
CC*RYS
CC*YSS
CE*SSS
CE*YYS
CR*RYS
CR*YSS
C*YYS
CC*SSS
CC*YYS
CR*SSS
CR*YYS
C*YSS
*CER
C*ERY