[ ] 1. food, boot, foolish, boost
[ ] 2. good, cook, took, look
[ ] 3. should, would, could
[ ] 4. blood, flood
[ ] 5. door, four, floor, boor
[ ] 6. moor, tour, poor
[ ] 7. brooch
[ ] 8. round, found, sound, pound
[ ] 9. soul, bowl, mould, shoulder
[ ] 10. touch, rough, nourish, courage
[ ] 11. soup, group, boulevard, goulash
[ ] 12. thought, bought, caught, fought
[ ] 13. you, youth