O o (fox) 【short vowel 短母音】

Some more examples(更多例字):
• CVC (子音-母音-子音): bob, cob, fob, gob, job, lob, mob, rob, sob, bog, cog, fog, god, cod, cog, hog, jog, log, blog, cod, nod, pod, rod, sod, mom, Tom, Don, won, con, cop, hop, lop, mop, pop, sop, top, cot, dot, got, hot, jot, lot, not, pot, rot, tot, box, fox, pox

• on, ox, blob, glob, slob, snob, throb, odd, clod, plod, prod, trod, on, font, fond, bond, pond, blond, clog, frog, smog, smock, mock, dock, rock, sock, tock, block, lock, clock, flock, stock, shock, chock, doll, chop, shop, flop, plop, slop, stop, crop, drop, prop, blot, clot, plot, slot, spot, shot, trot, frost, broth, moth, dodge, lodge, notch, botch, blotch, knob, knot, knock

• body, bottom, bother, broccoli, botany, bottle, boggle, cobble, coddle, cottage, copy, comedy, cotton, comic, comma, comment, commerce, colleague, column, costume, colon, crocodile, closet, copper, collar, dollar, doctor, docile, doctrine, document, dominant, folly, fossil, gossip, goggle, gobble, hobble, hobby, holiday, homage, hostage, hospital, hostile, jostle, jockey, jolly, lobby, lottery, logic, modern, modest, moderate, modulate, molecule, monitor, modify, model, novel, nozzle, nostril, novice, knowledge, honest, opera, operate, object (noun), opposite, option, oxygen, oxidize, ostrich, polish, policy, poverty, pocket, popular, positive, profit, proper, prosper, prospect, product, process, promise, province, probable, problem, propagate, prosecute, project (noun), progress (noun), solve, solid, solitary, sovereign, roster, topple, tonic, toxic, vodka, volley, volume, bronze, donkey, monster, ponder, pompous, stomp, prompt, icon, nylon, coupon, chaos, chronic

• adopt, abolish, accomplish, admonish, apologize, anonymous, anomaly, apostrophe, approximate, beyond, curiosity, commodity, correspondence, colossal, cosmopolitan, cosmetic, nostalgia, volunteer, deposit, demolish, democracy, economy, hypocrisy, hypothesis, ironic, metabolic, metropolitan, monopoly, myopic, symbolic, respond, velocity, biology [-ology (suffix)], geography [-ography (suffix)], evolve, involve, revolve, resolve, dissolve