yum-yum

interj (infml 口) (used to express pleasure while eating, or when thinking about eating, pleasant food 用以表示吃好东西时或想到吃好东西时的快乐).

yours, yourself, yourselves, youth, youth club, youth hostel, youthful, youthfully, youthfulness, yowl, yr, yrs, YTS, yucca, yuck, yucky, Yugoslavia, Yugoslavian, yule, yule-log, yummy, yuppie, z, Z, z, zanily, zaniness, zany, zap, zappy, zeal, zealot, zealotry, zealous, zealously, zebra, zebra crossing, zed, Zeitgeist, Zelda Teplitz, Zen,