cccc cccs cccv cchs ccss ccst cctc cctt cctv ccvs chch chcs chhs chsc chsh chst chtt chtv cscc csch cscs cshs cstc csts cths ctsc ctss ctts ctvt cvcc cvhs cvss hccc hcch hccs hchs hcsc hcss hcst hctv hhhh hhhs hscc hsct hshs hsts htcc hths htsc hvcc hvhs hvsc s-vt sccc sccs scct sch- schh schs scsc scsh scst sctc scts sctv shcc shhh shhs shsc shts shvc sscc sscs sshs sssc sssh ssss sstc ssth ssts st-v stcc stch stcs sths stss sttc stvs svcc svcs svhs svsc tccc tch- tchh tchs tcsh tctc tcts thch thss thts tscc tshs tsst tstc tsts ttss tttt tvhs tvss tvtv vhhh vhhs vhst vshs vssc vvhs vvvv