by

cry

dry

fly

fry

my

ply

pry

shy

sky

sly

spry

spy

sty

thy

try

bypass

Byron

Byzantine

cyan

cybermail

cyberspace

cyclamen

cycle

cyclone

cypress

dehydrate

Drysdale

dynamic

encyclopaedia

hydrant

kybosh

Kylie

pylon

python

synapse

thyroid

tyrant