defis

/defis/

Cases

SingularPluralWhen to use it
nominativedefisthe hyphendefislethe hyphensthe plain dictionary form — the doer of the sentence
genitivedefisnithe hyphen'sdefislenithe hyphens'the owner — whose it is
accusativedefisnithe hyphen (as the object)defislenithe hyphens (as the object)a specific, known object — whom or what
dativedefisgeto the hyphendefislegeto the hyphensdirection or recipient — to where, to whom
locativedefisdeat / in the hyphendefisledeat / in the hyphenswhere it is; also having — mende bar, "I have it"
ablativedefisdenfrom the hyphendefisledenfrom the hyphenswhere 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
mydefisimmy hyphendefislerimmy hyphens
yourdefisingyour hyphendefisleringyour hyphens
his / herdefisihis / her hyphendefislerihis / her hyphens
ourdefisibizour hyphendefisleribizour hyphens
you all'sdefisigizyou all's hyphendefislerigizyou all's hyphens
theirdefisleritheir hyphendefisleritheir hyphens

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