bop knop sop
chop kop stop
clop lop strop
cop mop swap
crop op top
drop plop trop
flop pop whop
fop prop
glop shop
hop slop
bop knop sop
chop kop stop
clop lop strop
cop mop swap
crop op top
drop plop trop
flop pop whop
fop prop
glop shop
hop slop