Cardinal Numbers of the Fourth Group of 10
31
32
33
34
35
36
37
38
39
40
Ordinal Numbers of the Fourth Group of 10
31a 31o
32a 32o
33a 33o
34a 34o
35a 35o
36a 36o
37a 37o
38a 38o
39a 39o
40a 40o