Letters that make interposition
s, o, e, n, p, r, t, i are letters that make 'interposition'
Words within interposition
ER, os, OS, IT, posit, ti, te, si, NT, PO, sit, inter, SI, position, on, in, IN, Io, ion, Po, Er, In, Os, Si, Te, Ti are words within 'interposition'