Letters that make turn thumbs down
s, o, b, d, n, h, m, r, t, u, w are letters that make 'turn thumbs down'
Words within turn thumbs down
thumb, urn, MB, BS, DO, do, HUM, RN, Down, hum, own, down, turn, Mb, Ur, Rn, Th are words within 'turn thumbs down'