123
1. felucca 2. cordon 3. menacing 4. puerile 5. duodenum 6. samphire 7. intrepidity 8. oxygenated 9. convertible 10. hieroglyphic 11. faltering 12. gyroscope 13. intendant 14. mezzotint 15. cylinder 16. paltry 17. basin 18. quadrate 19. saccharine 20. duplicate 21. sponginess 22. terrapin 23. unequalled 24. valerian 25. corduroy 26. spontaneous 27. sachem 28. familiarity 29. mica 30. quadrennial