Letters that make rapid eye movement sleep
s, a, o, d, e, l, n, p, m, r, t, i, v, y are letters that make 'rapid eye movement sleep'
Words within rapid eye movement sleep
PI, id, OV, SL, NT, men, pi, sleep, em, en, rapid eye movement, PID, eye, EE, rapid, rap, move, movement, eye movement, lee, RA, ID, ME, MO, Ra, Lee, LE, SLE, Mo, mo are words within 'rapid eye movement sleep'