いりおもてやまねこであれば
西表山猫であれば
iriomoteyamanekodeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of いりおもてやまねこ

1. If/when the Iriomote cat…; If it were the Iriomote cat…

Ba Conditional
Usually Written in Kana