1. along (general) 2. because of (reason) 3. by (dimension) 4. by (means) 5. by (multiplication) 6. by (division) 7. by (travel) 8. by (books) 9. for (general) 10. for each (preposition) 11. lengthways (general) 12. lengthwise (general) 13. multiplied by (multiplication) 14. of (books) 15. out of (reason) 16. per (general) 17. per (preposition) 18. thanks to (reason) 19. through (means) 20. through (reason) 21. times (multiplication) 22. to (general) 23. to (in each) 24. via (travel)