| Share | Phrase |
|---|
| 41.99% | contour surface [perform operation] |
| 13.05% | so [degree] contour |
| 11.75% | contour piece [perform operation] |
| 8.31% | contour wall [perform operation] |
| 7.27% | contour portion [perform operation] |
| 5.65% | contour end [perform operation] |
| 5.01% | so [resume] contour |
| 3.61% | contour modal may |
| 3.30% | contour modal can |