am

Final position(尾):am, bam, dam, jam, yam, ham, sham, cam, clam, slam, scam, spam, ram, cram, scram, gram, milligram, program, diagram, swam, wham, exam

Initial/Medial position(首/中):ambient, ambulance, amp, amplify, ampersand, ambush, amber, ambassador, ambition, ambiguous, camp, lamp, ramp, damp, vamp, stamp, champ, clamp, cramp, tramp, ample, sample, example, scramble, campaign, clamber, hamburger, hamper, tamper, pamper, pamphlet, vampire, bamboo, shampoo, shamrock, rampant