Letters that make speak of the devil
s, a, o, d, e, f, k, l, p, h, t, i, v are letters that make 'speak of the devil'
Words within speak of the devil
he, pe, devil, pea, peak, He, Ea, Devi, evil, vi, il, the devil, eV, VI, AK, DE, IL, Devil, Th, speak are words within 'speak of the devil'