In 39 Ac EVENTUALLY is not an extra word. Word play is MELT (disperse) inside South (S) and (S) sea(s) eventually.
Extra words are in
1ac, 5ac, 44ac, 1dn, 10dn, 27dn, 19dn, 13ac, 33ac, 17ac, 12dn, 22dn, 11ac, 21ac, 29ac, 38ac, 42ac, 3dn, 6dn, 7dn, 9dn, 24dn, 31dn, 32dn, 34dn, 36dn.