[21]. Flock,—lock.

[22]. Ladder,—adder.

[23]. Snail,—nail.

[24]. Blight,—light.

[25]. Bridge,—ridge.

[26]. Score,—core.

[27]. Core,—Ore.

[28]. Shovel,—hovel.

[29]. Twig,—wig.

[30]. Lass,—ass.