kübe

/kybe/

Cases

SingularPluralWhen to use it
nominativekübethe mailkübelethe mailsthe plain dictionary form — the doer of the sentence
genitivekübenithe mail'skübelenithe mails'the owner — whose it is
accusativekübenithe mail (as the object)kübelenithe mails (as the object)a specific, known object — whom or what
dativekübegeto the mailkübelegeto the mailsdirection or recipient — to where, to whom
locativekübedeat / in the mailkübeledeat / in the mailswhere it is; also having — mende bar, "I have it"
ablativekübedenfrom the mailkübeledenfrom the mailswhere 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
mykübemmy mailkübelerimmy mails
yourkübengyour mailkübeleringyour mails
his / herkübesihis / her mailkübelerihis / her mails
ourkübebizour mailkübeleribizour mails
you all'skübegizyou all's mailkübelerigizyou all's mails
theirkübeleritheir mailkübeleritheir mails

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