L l (lock)

Some more examples（更多例字）：

Initial position（首）：
• (CVC words) lab, lad, lag, lap, leg, let, lip, lit, log, lot, lug
• lack, lash, last, latch, label, ladder, latter, lady, land, lamp, language, languid, lace, lake, late, lane, lay, laid, laugh, large, law, lend, left, lest, less, lesson, letter, level, lemon, legend, length, legal, lead, leaf, leak, lean, leap, least, leave, league, leather, lick, lift, lips, list, limp, link, limit, liquid, listen, liberty, live, lion, life, like, lime, line, lie, light, lock, lobby, lone, loan, load, loaf, loaves, locate, look, loose, lose, loud, low, love, luck, lunch, lungs, lumber, lump, lurk, learn

Medial position（中）：value, talent, absolute, balance, palace, calendar, spectacular, evaluate, establish, Atlantic, delay, failure, simultaneous, salvation, qualify, delicate, else, element, twelve, telephone, television, welcome, welfare, envelope, develop, eleven, dilemma, elect, select, specialist, shelter, melody, health, wealth, alert, volunteer, English, police, ceiling, belief, believe, eliminate, equivalent, film, impulse, silver, similar, familiar, particular, deliver, ability, facility, utility, July, pilot, silence, violence, wildlife, island, isolate, delight, solid, color, column, solemn, volume, popular, scholar, holiday, policy, politic, solve, resolve, involve, velocity, biology, technology, philosophy, symbolic, formula, shoulder, soldier, solely, alone, along, belong, below, public, ultimate, elusion

Final position（尾）：angel, navel, panel, channel, chapel, camel, bail, fail, hail, jail, nail, mail, pail, rail, sail, tail, call, marvel, devil, pencil, pretzel, until, hotel, motel, bell, cell, fell, sell, tell, well, yell, veil, evil, detail, heal, seal, steal, heel, feel, wheel, steel, steal, meal, deal, ideal, appeal, mile, ill, bill, dill, fill, hill, kill, mill, pill, sill, till, will, civil, signal, girl, doll, model, novel, shovel, oil, oil, coil, foil, soil, coal, goal, soul, control, council, foul, towel, bowl, cool, fool, pool, tool, school, wool, dull, gull, pupil