The Pronoun "both" (ubha-, all genders):

  Du.
Nom. ubho/ubhe
Acc. ubho/ubhe
Gen. ubhinnaṃ
Dat. ubhinnaṃ
Ins. ubhohi/ubhobhi/ubhehi/ubhebhi
Abl. ubhohi/ubhobhi/ubhehi/ubhebhi
Loc. uhhosu/ubhesu