Letters that make extemporaneous
s, a, o, e, n, p, m, r, t, u, x are letters that make 'extemporaneous'
Words within extemporaneous
OR, neo, AN, te, XT, PO, MP, temp, em, ex, ane, RA, Oran, US, NE, Po, Ra, Ne, Te, tempo are words within 'extemporaneous'