1	Rio	nominative case, singular	nominative case, singular
2	Rio	genitive case, singular	genitive case, singular
3	Rio	dative case, singular	dative case, singular
4	Rio	accusative case, singular	accusative case, singular
5	Rio	instrumental case, singular	instrumental case, singular
6	Rio	locative case, singular	locative case, singular
7	Rio	vocative case, singular	vocative case, singular
8	Rio	nominative case, plural	nominative case, plural
9	Rio	genitive case, plural	genitive case, plural
10	Rio	dative case, plural	dative case, plural
11	Rio	accusative case, plural	accusative case, plural
12	Rio	instrumental case, plural	instrumental case, plural
13	Rio	locative case, plural	locative case, plural
14	Rio	vocative case, plural	vocative case, plural