1-one hamster
2-two hamsters
3-three hamsters
4-four hamsters
5-five hamsters
6-six hamsters
7-seven hamsters
8-eight hamsters
9-nine hamsters
11-eleven rats
12-twelve rats
13-thirteen rats
14-fourteen rats
15-fifteen rats
16-sixteen rats
17-seventeen rats
18-eighteen rats
19- nineteen rats
