Letters that make positive identification
s, a, o, d, e, f, n, p, c, t, i, v are letters that make 'positive identification'
Words within positive identification
den, dent, os, OS, id, IT, posit, ti, si, NT, PO, IC, FICA, at, en, sit, SI, positive, on, iv, ic, identification, cat, CAT, IV, CA, DE, ID, cation, Io, ion, Po, At, Ca, Os, Si, Ti are words within 'positive identification'