an

Final position（尾）：an, ban, bran, can, fan, man, pan, ran, tan, van, than, plan, clan, scan, span, japan, began, trashcan

Initial/Medial position（首/中）：bang, fang, gang, hang, overhang, rang, boomerang, sang, twang, clang, slang, sprang, bank, yank, thank, rank, outrank, lank, blank, plank, prank, frank, crank, drank, spank, and, band, land, homeland, Thailand, sand, quicksand, sandbox, sandwich, hand, firsthand, secondhand, offhand, beforehand, backhand, shorthand, handle, candle, dangle, tangle, triangle, rectangle, angle, ankle, anchor, ancestor, antenna, anticipate, ancillary, antique, antic, anguish, anxious, anthem, answer, anger, angry, pantry, pansy, fancy, fantasy, fantasize, fantastic, bland, gland, stand, standard, understand, handstand, strand, grand, brand, brandish, expand, demand, command, reprimand, dance, chance, glance, prance, trance, entrance, romance, finance, freelance, enhance, advance, France, franchise, pant, plant, implant, supplant, eggplant, transplant, chant, enchant, disenchant, slant, scant, grant, gallivant, blanket, blanch, branch, ranch, random, ransack, rancor, rancid, candid, candidate, candor, canker, candy, cranky, canvas, cancel, cantaloupe, canteen, sandal, scandal, strangle, slander, phantom, lantern, languish, language, vantage, advantage, tangerine, tangible, tango, tantrum, tandem, abandon, vanquish, vanguard, vandalize, mantel, mandate, mandatory, mantra, mansion, sanction, banquet, banter, panther, tranquil, transit, transcript, transcribe, transcend, gigantic