Letters that make superimposed
s, o, d, e, p, m, r, i, u are letters that make 'superimposed'
Words within superimposed
ER, os, OS, pe, sup, PO, MP, SE, superimpose, RI, ED, super, imposed, up, posed, pose, rim, Po, imp, peri, Er, Os, Se, impose are words within 'superimposed'