Letters that make designated driver
s, a, d, e, g, n, r, t, i, v are letters that make 'designated driver'
Words within designated driver
DES, ER, sign, te, si, driver, Ted, at, rive, RI, river, SI, ED, iv, drive, design, IV, gnat, DE, Ate, At, Es, Er, Si, Na, Te, Ig, designate are words within 'designated driver'