çegi

/ tʃeɡi /

Cases

SingularPluralWhen to use it
nominative çegi the intestine çegile the intestines the plain dictionary form — the doer of the sentence
genitive çegini the intestine's çegileni the intestines' the owner — whose it is
accusative çegini the intestine (as the object) çegileni the intestines (as the object) a specific, known object — whom or what
dative çegige to the intestine çegilege to the intestines direction or recipient — to where, to whom
locative çegide at / in the intestine çegilede at / in the intestines where it is; also having — mende bar, "I have it"
ablative çegiden from the intestine çegileden from the intestines 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
my çegim my intestine çegilerim my intestines
your çegiŋ your intestine çegileriŋ your intestines
his / her çegisi his / her intestine çegileri his / her intestines
our çegibiz our intestine çegileribiz our intestines
you all's çegigiz you all's intestine çegilerigiz you all's intestines
their çegileri their intestine çegileri their intestines

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