k-rupt kkoktu kokoku kokopo kokopu kokoro kokott kookoo koopoo kootoo koottu korkor korkut kororo koruru kotoko kottur kotuku koukou kouoro kourou kourtt koutou krupuk kuroko kurort kurupt kururu okpoko ookroo oooooo oporto optoro optout orrour ortprk ottoor otukpo oukoop outour output outrup outtop outtro pokuru pookoo poopoo pop-up popopo poporo popout poppop poptop pottok pottop poupko poupou pppppp prokop propup propur proto- prutot pupput purkot purpur put-up putour putout putput puttoo puttur puukko rokkor rokuko rokupr rokuro rootup rotork rotour rotout rotrou routot rukutu ruptor rurutu rutour tkoutt to-put tokuko tokuro tookto tookup tootoo top-up toporu topout toppop tororo torpor tortor tortou tot-up totopo totoro totrot tourou toutou toutuo trokut tropo- troppo trotro tuktuk tuotuo turko- turtuk turtur tururu tutour tuttut up-put uppoor upprop uproot uruppu utkoor utroor utukku utukur