cccc cccs cccv cchs cchy ccoc ccss ccvo ccvs chch chcs chhs choc choh choo chos chov choy chsc chsh chvo chy- chyc coch coco coho cohs cooh coos cosc cosh coso coss cosy covo covy coyo coys cscc csch csco cscs cshs csos csys cvcc cvhs cvss cyc- cycc cycs cyy- cyyc hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hoch hocs hoho hoos hosh hoss hovs hoys hscc hshs hvcc hvhs hvsc hy-v hyo- occc ochs ocos ocys ohcc ohho ohhs ohoh ohos ohso ohss ohyo ooho oohs oooh oooo ooos oscc osco oshc osho oshs osoo osos osov osso ossy ovcs ovhs ovo- ovoo oych oyss s-os sccc sccs sccy sch- schh scho schs scoh scoo scsc scsh scso shcc shhh shhs shoo shos shsc shvc soch soco socs socy sohh soho sohs soos sooy sosh soso soss sosv sovo sovs soyo soys sscc sscs sshs ssoc sssc sssh ssss svcc svcs svhs svoy svsc sych syco syso syss vhhh vhhs voho vooc voso voss voys vshs vssc vvhs vvvv vych vyhs vyos vyso vyss yccc ycch yhvh yoch yoho yosh yoso yoyo ysco yssh yvhs yyyy