teyri

/ tejri /

Cases

SingularPluralWhen to use it
nominative teyri the Teyri teyrile the Teyris the plain dictionary form — the doer of the sentence
genitive teyrini the Teyri's teyrileni the Teyris' the owner — whose it is
accusative teyrini the Teyri (as the object) teyrileni the Teyris (as the object) a specific, known object — whom or what
dative teyrige to the Teyri teyrilege to the Teyris direction or recipient — to where, to whom
locative teyride at / in the Teyri teyrilede at / in the Teyris where it is; also having — mende bar, "I have it"
ablative teyriden from the Teyri teyrileden from the Teyris 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 teyrim my Teyri teyrilerim my Teyris
your teyriŋ your Teyri teyrileriŋ your Teyris
his / her teyrisi his / her Teyri teyrileri his / her Teyris
our teyribiz our Teyri teyrileribiz our Teyris
you all's teyrigiz you all's Teyri teyrilerigiz you all's Teyris
their teyrileri their Teyri teyrileri their Teyris

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