| Unit | iExplore (abbreviated.ie) | words | phrases |
| 1 | ie 1 | 32 | 8 |
| ie 2 | 20 | 8 | |
| 2 | ie 1 | 40 | 14 |
| ie 2 | 28 | 9 | |
| 3 | ie 1 | 28 | 10 |
| ie 2 | 28 | 9 | |
| 4 | ie 1 | 34 | 7 |
| ie 2 | 34 | 8 | |
| 5 | ie 1 | 34 | 10 |
| ie 2 | 31 | 5 | |
| 6 | ie 1 | 27 | 9 |
| ie 2 | 29 | 7 | |
| 7 | ie 1 | 26 | 7 |
| ie 2 | 27 | 6 | |
| 8 | ie 1 | 35 | 5 |
| ie 2 | 34 | 3 |