Letters that make Proto-Indo European
a, o, d, e, n, p, r, t, i, u are letters that make 'Proto-Indo European'
Words within Proto-Indo European
rope, rot, AN, DO, pe, do, PR, pea, Europe, EU, pean, Ro, Ea, euro, Oto, pro, European, in, Ur, IN, ND, Eu, In, Nd, Pr are words within 'Proto-Indo European'