1. the (1 occurance[s]) 2. rock (1 occurance[s]) 3. graven (1 occurance[s]) 4. lead (1 occurance[s]) 5. That (1 occurance[s]) 6. iron (1 occurance[s]) 7. ever (1 occurance[s]) 8. with (1 occurance[s]) 9. an (1 occurance[s]) 10. they (1 occurance[s]) 11. for (1 occurance[s]) 12. in (1 occurance[s]) 13. were (1 occurance[s]) 14. and (1 occurance[s]) 15. pen (1 occurance[s])