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Doubling Game
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red + ness
redness
Oops!
Okay!
run + y
runny
Oops!
Okay!
round + ness
roundness
Oops!
Okay!
spot + y
spotty
Oops!
Okay!
farm + er
farmer
Oops!
Okay!
scrub + er
scrubber
Oops!
Okay!
point + er
pointer
Oops!
Okay!
sad + er
sadder
Oops!
Okay!
talk + ed
talked
Oops!
Okay!
big + est
biggest
Oops!
Okay!
mop + ing
mopping
Oops!
Okay!
fail + ing
failing
Oops!
Okay!
cold + er
colder
Oops!
Okay!
pad + ing
padding
Oops!
Okay!
dig + ing
digging
Oops!
Okay!
step + ing
stepping
Oops!
Okay!
fast + er
faster
Oops!
Okay!
glad + ness
gladness
Oops!
Okay!
hop + ing
hopping
Oops!
Okay!
flat + est
flatest
Oops!
Okay!
mad + nes
madness
Oops!
Okay!
clip + er
clipper
Oops!
Okay!
clean + er
cleaner
Oops!
Okay!
stop + ing
stopping
Oops!
Okay!
top + ing
topping
Oops!
Okay!
shop + er
shopper
Oops!
Okay!
dress + er
dresser
Oops!
Okay!
sad + ness
sadness
Oops!
Okay!
sad + ly
sadly
Oops!
Okay!
slip + er
slipper
Oops!
Okay!
hot + er
hotter
Oops!
Okay!
sail + ing
sailing
Oops!
Okay!
short + en
shorten
Oops!
Okay!
fast + er
faster
Oops!
Okay!
glad + ly
gladly
Oops!
Okay!
short + est
shortest
Oops!
Okay!
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