hohhot hohoho hokpok hokuto hoohoo hookup hoopoo hop-up hopout hotpot hottot houtou huh-uh huhhot hukkok huthut kkoktu kohoku kohout kokkoh kokoku kokopo kokopu kokott kookoo koopoo koothu kootoo koottu kotoko kotuku koukou koutou o-hook ohohoh ohpooh ohtoto okpoko oohooh oooooo optout otukpo oukoop output outtop photo- poktho pookoo poopoo pop-up popopo popout poppop poptop pottok pottop poupko poupou pppppp pupput put-up putout putput puttoo puukko thoppu thouth tkhkot tkhkut tkoutt to-put tokuko toohot tookto tookup tootoo top-up topout toppop tot-up totkuh totopo touhou toutou toutuo tuktuk tuotuo tuttut uh-huh up-put utouth utukku