F f (face)

Some more examples（更多例字）：

Initial position（首）：
• (CVC words) fad, fan, fat, fed, fit, fig, fix, fog, fox, fun
• fast, flag, fade, fate, fame, fair, faint, fail, false, far, farm, fell, fence, feast, feather, feed, feel, few, fish, fist, film, file, fine, fire, five, fight, find, first, fond, foam, foe, foil, fold, folk, food, fool, foot, for, fork, form, fort, force, four, fowl, fuzz, fund, fuse, fur

Final position（尾）：half, safe, scarf, chef, elf, shelf, leaf, beef, reef, deaf, if, chief, brief, grief, life, wife, knife, loaf, golf, wolf, off, goof, roof, proof, spoof, hoof, huff, puff, turf