tepsi

/ tepsi /

Cases

SingularPluralWhen to use it
nominative tepsi the tepsi tepsile the tepsis the plain dictionary form — the doer of the sentence
genitive tepsini the tepsi's tepsileni the tepsis' the owner — whose it is
accusative tepsini the tepsi (as the object) tepsileni the tepsis (as the object) a specific, known object — whom or what
dative tepsige to the tepsi tepsilege to the tepsis direction or recipient — to where, to whom
locative tepside at / in the tepsi tepsilede at / in the tepsis where it is; also having — mende bar, "I have it"
ablative tepsiden from the tepsi tepsileden from the tepsis 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 tepsim my tepsi tepsilerim my tepsis
your tepsiŋ your tepsi tepsileriŋ your tepsis
his / her tepsisi his / her tepsi tepsileri his / her tepsis
our tepsibiz our tepsi tepsileribiz our tepsis
you all's tepsigiz you all's tepsi tepsilerigiz you all's tepsis
their tepsileri their tepsi tepsileri their tepsis

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