kok-oy kokoro kokory kokott kookoo kookyo kootoo korkor kororo kossos kostry kotoko krokos krotos kyrkos kyrros okkots oksoko ookroo oooooo ororry ossory ossott ottoor oystry rokkor roosky roosts rootsy rostr- rotork rotors skorts skoto- skotos skyros sokoro sokoto soorky soorts soosoo soroko sorors sorory sorsor sostro ssorts stooks storks storky storrs stotts stotty stroky strook stroot stross strost stroys syrtos sysors tokoyo tookto tootoo tootsy tororo torosk torsks torsor torsos tortor tortys tossto totoro totrot totsky tottos toyoko troost troots trosky trosso trosty trotro trotty trysts trysty trytry tsktsk tsotso yo-yos yookos yoroko yostos yoyoyo yttro-