Letters that make life-support system
s, o, e, f, l, p, m, r, t, i, u, y are letters that make 'life-support system'
Words within life-support system
system, OR, te, sup, PO, support system, em, life-support, support, up, port, li, life, stem, Po, Fe, Li, Te are words within 'life-support system'