▁at ▁the ▁end ▁of ▁the ▁clause ; ▁in ▁combination ▁they ▁produce ▁the ▁first ▁person ▁dual . ▁This ▁is ▁seen ▁here : ▁ ▁" We ▁both ▁b ite ▁you ." ▁ ▁When ▁using ▁the ▁dual ▁first ▁person ▁as ▁an ▁object , ▁however , ▁a ▁different ▁morph eme , ▁ ʔ ĩ wa , ▁is ▁attached ▁to ▁the ▁main ▁verb , ▁for ▁instance ▁as ▁here : ▁ ▁" You ▁bit ▁both ▁of ▁us ." ▁ ▁When ▁using ▁the ▁dual ▁in ▁the ▁second ▁person , ▁for ▁instance ▁in ▁saying ▁‘ You ▁both ’ , ▁redu p lication ▁is ▁used ▁to ▁denote ▁option ality ▁in ▁the ▁clause . ▁In ▁the ▁first ▁case , ▁when ▁‘ both ’ ▁is ▁imp lied , ▁ ʔ wa ▁alone ▁is ▁used ▁at ▁the ▁end ▁of ▁the ▁clause , ▁with ▁the ▁redu p licated ▁ ʔ wa ʔ wa ▁occurr ing ▁earlier ▁as ▁follows : ▁ ▁" You ▁( both ) ▁eat ▁one ▁fish ." ▁ ▁However , ▁when ▁the ▁dual ▁is ▁not ▁optional ▁in ▁the ▁clause , ▁only ▁the ▁redu p licated ▁ ʔ wa ʔ wa ▁occurs , ▁at ▁the ▁end ▁of ▁the ▁clause , ▁as ▁here : ▁ ▁" You ▁are ▁both ▁cry ing ." ▁ ▁Finally , ▁third ▁person ▁dual ▁is ▁also ▁denoted ▁similarly ▁depending ▁on ▁whether ▁the ▁argument ▁is ▁in ▁the ▁subject ▁or ▁object ▁position . ▁For ▁the ▁former , ▁the ▁morph eme ▁dz ah ur ɛ ▁is ▁placed ▁clause - fin ally , ▁and ▁denotes ▁‘ They ▁both ’ , ▁as ▁seen ▁here : ▁ ▁"