Letters that make beta particle
a, b, e, l, p, c, r, t, i are letters that make 'beta particle'
Words within beta particle
PA, particle, ti, ETA, IC, eta, ar, cl, Pa, par, be, Beta, beta, ic, article, bet, part, art, AR, pa, LE, tic, Ar, Be, Cl, Ta, Ti are words within 'beta particle'