/iʃ/

Cases

SingularPluralWhen to use it
nominativethe jobişlethe jobsthe plain dictionary form — the doer of the sentence
genitiveişnithe job'sişlenithe jobs'the owner — whose it is
accusativeişnithe job (as the object)işlenithe jobs (as the object)a specific, known object — whom or what
dativeişgeto the jobişlegeto the jobsdirection or recipient — to where, to whom
locativeişdeat / in the jobişledeat / in the jobswhere it is; also having — mende bar, "I have it"
ablativeişdenfrom the jobişledenfrom the jobswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
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
myişimmy jobişlerimmy jobs
yourişingyour jobişleringyour jobs
his / herişihis / her jobişlerihis / her jobs
ourişibizour jobişleribizour jobs
you all'sişigizyou all's jobişlerigizyou all's jobs
theirişleritheir jobişleritheir jobs

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