cccc cccs cchs ccoc ccss chch chcs chhs chks choc choh chok choo chos chsc chsh ckch ckck ckco ckcs ckhs ckoc ckoo ckos cksh ckso coch cock coco coho cohs cok- coko cooh cook coos cosc cosh coso coss cscc csch csco cscs cshs csks csos hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hkcc hkcs hoch hock hocs hoho hoko hoks hook hoos hosh hoss hscc hshs k-os kccc kcck kchh kchk kcho kchs kckc kckk kcko kcoh kcos kcsc kcss khcc khch khck khcs khhk khho khhs khkk khks khoc khok khss kkch kkck kkco kkcs kkhh kkhk kkkk kkoh kkoo kkss koch kock kocs kohh koho kohs kokc kokh kokk koko koks kooc kook kooo koos kos- kosc kosh koso koss ksch ksck ksco kscs kshk ksho kshs kskk ksko ksks ksoc ksok ksoo ksos ksso ksss occc ochs ocks ocos ohcc ohho ohhs ohoh ohok ohos ohso ohss okko okok okso ooho oohs oooh oooo ooos oscc osco oshc osho oshs osoo osos osso s-os sccc sccs sch- schh scho schs sck- scoh scok scoo scsc scsh scso shcc shhh shhs shok shoo shos shsc skhs skss soch sock soco socs sohh soho sohs sokk soko sook soos sosh soso soss sscc sscs sshs ssoc sssc sssh ssss