| -on | |
| chem. | 5-Trimethyl-2-cyclohexan-1-on; Isophoron |
| ORATE | |
| gen. | europæisk observationsnetværk for territorial udvikling og samhørighed |
| ora | |
| gen. | hora |
| earth.sc. tech. | time |
|
Electronic : 12 phrases in 7 subjects |
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