p.233

 
  • oak
  • oasis
  • obey
  • object
  • occupation
  • ocean
  • o'clock
  • Oct.
  • October

p.234-235

  • octopus
  • odd
  • of
  • off
  • offense
  • offer
  • office
  • officer
  • official
  • offline
  • often
  • oh

p.236-237

  • oil
  • OK, O.K.
  • old
  • olive
  • Olympic
  • Olympic Games
  • Oman
  • omelet, omelette

p.238-239

  • on
  • once
  • one
  • onion

p.240-241

  • online
  • only
  • onto
  • open
  • opening
  • opera
  • operate
  • opinion
  • opponent
  • opportunity
  • oppose
  • opposite

p.242-243

  • or
  • orange
  • orangutan
  • orchestra
  • order
  • ordinary
  • organ
  • organic
  • organize
  • organized
  • original
  • orphan
  • ostrich
  • other
  • our
  • ours

p.244-245

  • ourselves
  • out
  • outdoor
  • outing
  • outlet
  • outside
  • oval
  • oven
  • over
  • overcoat
  • overcome

p.246

  • overseas
  • oversleep
  • overweight
  • owl
  • own
  • owner
  • ox
  • Oxford
  • oxygen
  • oyster
  • ozone
 

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