| 656 | strain |
| 657 | firm |
| 658 | marine |
| 659 | wavelength |
| 660 | accident |
| 661 | demonstrate |
| 662 | section |
| 663 | investigate |
| 664 | contact |
| 665 | sensitive |
| 666 | brown |
| 667 | shift |
| 668 | dose |
| 669 | cycle |
| 670 | thus |
| 671 | private |
| 672 | convince |
| 673 | gain |
| 674 | prepare |
| 675 | biology |
| 676 | check |
| 677 | critical |
| 678 | plutonium |
| 679 | indicate |
| 680 | rare |
