Cardinal Numbers of the Third Group of 10
21
22
23
24
25
26
27
28
29
30
Ordinal Numbers of the Third Group of 10
21a 21o
22a 22o
23a 23o
24a 24o
25a 25o
26a 26o
27a 27o
28a 28o
29a 29o
30a 30o