List A/B: stop, stem, step, swim, slug, spot, sled, snap

List C: costume, reptile, inside, sunrise, volume, homeless, lemonade, divide

List D: badge, banner, corner, design, fold, parade, rectangle, salute, tread

List P: alter, confuse, distribute, eject, embrace, equip, flexible, instant, keen, limp, scurry, seize, shallow, surround, victim.