kuplet

/kuplet/

Cases

SingularPluralWhen to use it
nominativekupletthe stanzakupletlethe stanzasthe plain dictionary form — the doer of the sentence
genitivekupletnithe stanza'skupletlenithe stanzas'the owner — whose it is
accusativekupletnithe stanza (as the object)kupletlenithe stanzas (as the object)a specific, known object — whom or what
dativekupletgeto the stanzakupletlegeto the stanzasdirection or recipient — to where, to whom
locativekupletdeat / in the stanzakupletledeat / in the stanzaswhere it is; also having — mende bar, "I have it"
ablativekupletdenfrom the stanzakupletledenfrom the stanzaswhere 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
mykupletimmy stanzakupletlerimmy stanzas
yourkupletingyour stanzakupletleringyour stanzas
his / herkupletihis / her stanzakupletlerihis / her stanzas
ourkupletibizour stanzakupletleribizour stanzas
you all'skupletigizyou all's stanzakupletlerigizyou all's stanzas
theirkupletleritheir stanzakupletleritheir stanzas

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