Letters that make extension ladder
s, a, o, d, e, l, n, r, t, i, x are letters that make 'extension ladder'
Words within extension ladder
ER, ladder, Sion, DD, la, te, si, ad, XT, en, add, ADD, SI, ex, on, ten, AD, tension, extension, adder, DE, LA, Io, ion, lad, Er, La, Si, Te are words within 'extension ladder'