I.on [美 ɑn, ɔn, 英 ɒn]介词on often appears as the second element of certain verb structures in English (count on, lay on, sign on, etc). For translations, see the relevant verb entry (count, lay, sign, etc).
I.out [美 aʊt, 英 aʊt]副out often appears as the second element of certain verb structures in English (come out, keep out, knock out, etc). For translations, see the relevant verb entry (come, keep, knock, etc).
Previously, a sudden-death knockout qualifying tournament decided the players which meant players could miss out on tournaments because of unlucky matches or unlucky draws.