fed
f-e-d
pet
p-e-t
pen
p-e-n
jet
j-e-t
wed
w-e-d
wet
w-e-t
set
s-e-t
men
m-e-n
net
n-e-t
web
w-e-b
bed
b-e-d
hen
h-e-n
ten
t-e-n
red
r-e-d
leg
l-e-g
vet
v-e-t