kabinet

/kabinet/

Cases

SingularPluralWhen to use it
nominativekabinetthe officekabinetlethe officesthe plain dictionary form — the doer of the sentence
genitivekabinetnithe office'skabinetlenithe offices'the owner — whose it is
accusativekabinetnithe office (as the object)kabinetlenithe offices (as the object)a specific, known object — whom or what
dativekabinetgeto the officekabinetlegeto the officesdirection or recipient — to where, to whom
locativekabinetdeat / in the officekabinetledeat / in the officeswhere it is; also having — mende bar, "I have it"
ablativekabinetdenfrom the officekabinetledenfrom the officeswhere 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
mykabinetimmy officekabinetlerimmy offices
yourkabinetingyour officekabinetleringyour offices
his / herkabinetihis / her officekabinetlerihis / her offices
ourkabinetibizour officekabinetleribizour offices
you all'skabinetigizyou all's officekabinetlerigizyou all's offices
theirkabinetleritheir officekabinetleritheir offices

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