toy

/ toj /

Cases

SingularPluralWhen to use it
nominative toy the wedding toyla the weddings the plain dictionary form — the doer of the sentence
genitive toynu the wedding's toylanı the weddings' the owner — whose it is
accusative toynu the wedding (as the object) toylanı the weddings (as the object) a specific, known object — whom or what
dative toyğa to the wedding toylağa to the weddings direction or recipient — to where, to whom
locative toyda at / in the wedding toylada at / in the weddings where it is; also having — mende bar, "I have it"
ablative toydan from the wedding toyladan from the weddings 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 toyum my wedding toylarım my weddings
your toyuŋ your wedding toylarıŋ your weddings
his / her toyu his / her wedding toyları his / her weddings
our toyubuz our wedding toylarıbız our weddings
you all's toyuğuz you all's wedding toylarığız you all's weddings
their toyları their wedding toyları their weddings

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