mel

/mel/

Cases

SingularPluralWhen to use it
nominativemelthe chalkmellethe chalksthe plain dictionary form — the doer of the sentence
genitivemelnithe chalk'smellenithe chalks'the owner — whose it is
accusativemelnithe chalk (as the object)mellenithe chalks (as the object)a specific, known object — whom or what
dativemelgeto the chalkmellegeto the chalksdirection or recipient — to where, to whom
locativemeldeat / in the chalkmelledeat / in the chalkswhere it is; also having — mende bar, "I have it"
ablativemeldenfrom the chalkmelledenfrom the chalkswhere 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
mymelimmy chalkmellerimmy chalks
yourmelingyour chalkmelleringyour chalks
his / hermelihis / her chalkmellerihis / her chalks
ourmelibizour chalkmelleribizour chalks
you all'smeligizyou all's chalkmellerigizyou all's chalks
theirmelleritheir chalkmelleritheir chalks

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