bağana

/ baʁana /

Cases

SingularPluralWhen to use it
nominative bağana the post bağanala the posts the plain dictionary form — the doer of the sentence
genitive bağananı the post's bağanalanı the posts' the owner — whose it is
accusative bağananı the post (as the object) bağanalanı the posts (as the object) a specific, known object — whom or what
dative bağanağa to the post bağanalağa to the posts direction or recipient — to where, to whom
locative bağanada at / in the post bağanalada at / in the posts where it is; also having — mende bar, "I have it"
ablative bağanadan from the post bağanaladan from the posts where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
my bağanam my post bağanalarım my posts
your bağanaŋ your post bağanalarıŋ your posts
his / her bağanası his / her post bağanaları his / her posts
our bağanabız our post bağanalarıbız our posts
you all's bağanağız you all's post bağanalarığız you all's posts
their bağanaları their post bağanaları their posts

The overlap in the last rows is real, not a mistake: bağanaları can mean "his / her posts", "their post", or "their posts" — context decides.