Don't play bridge so I'm struggling with this one. 14 The tenor's wobbly bottom in bid for 6 (5,2-5) ?H?E?/N?/??U?T. 18 Bid for 6 could lead to vice (4,8) FIVE DIAMONDS, I'm guessing. 13 Feature of food that could lead to digestion stress with spare tires (10) ???D?I?E?S. Wordplay, please!