R r (robot)

Some more examples(更多例字):

Initial position(首):
• (CVC words) rag, ram, ran, rap, rat, red, rib, rid, rig, rim, rip, rob, rod, rot, rub, rug, run

• rabbit, rack, raft, radio, rattle, ramp, rapid, random, rather, rank, ranch, range, race, rake, rate, rave, rail, rain, raise, ray, rare, raw, rent, render, rest, residence, restaurant, revenue, regular, relevant, ready, read, real, reach, reason, realize, rear, rich, rigid, risk, river, ring, rink, river, rice, ride, ripe, rise, right, rock, rocket, robe, rope, role, rose, road, roar, roast, roll, royal, row, round, roof, room, root, rush, rust, Russia, rude, rule, react

Medial position(中):January, factory, salary, very, every, memory, temporary, necessary, victory, history, military, inventory, mystery, theory, injury, jury, delivery, library, glory, voluntary, majority, summary, during, period, favorite, spirit, merit, inherit, area, arise, around, separate, operate, opera, Paris, parents, parade, direct, original, horizon, hero, Europe, America, various, serious, series, insurance, interior, superior, experience, experiment, different, reference, temperature

Final position(尾):hammer, ladder, chair, fair, hair, car, jar, tar, star, guitar, letter, deer, jeer, ear, dear, hear, bear, pear, finger, zipper, spider, for, four, door, her, fur, sure