cccc cccp cccs cchp cchs ccoc ccpp ccps ccsp ccss chch chcp chcs chhs chks choc choh chok choo chop chos chpp chsc chsh ckch ckck ckco ckcs ckhs ckoc ckoo ckos ckpc cksh ckso coch cock coco cocp coho cohs cok- coko cooh cook coop coos coph copo copp cops cosc cosh coso cosp coss cpcs cphs cpos cpps cpsc cpsk cpso cscc csch csco cscs cshp cshs csks csos cspc csps hccc hcch hccs hchs hcpc hcps hcsc hcso hcss hhhh hhhs hhpc hkcc hkcs hkpo hoch hock hocs hoho hoko hoks hook hoop hoos hopo hopp hops hosh hosp hoss hpcc hphs hpps hpsc hpss hscc hshs hsps hssp k-os kccc kcck kchh kchk kcho kchs kckc kckk kcko kcoh kcos kcpc kcpo kcps kcsc kcsp kcss khcc khch khck khcs khhk khho khhs khkk khks khoc khok khop khss kkch kkck kkco kkcs kkhh kkhk kkkk kkoh kkoo kkpc kkpk kkps kksp kkss koch kock kocp kocs kohh koho kohs kokc kokh kokk koko kokp koks kooc kook kooo koop koos koph kopp kops kos- kosc kosh koso kosp koss kpcc kpch kpcs kphp kphs kpkk kpoc kpok kpoo kpop kppc kppk kppo kppp kpsc kpsh kpso kpsp ksch ksck ksco kscs kshk ksho kshp kshs kskk ksko ksks ksoc ksok ksoo ksop ksos kspc kspk kspo ksps ksso ksss occc ochs ocks ocos ocpp ohcc ohho ohhs ohoh ohok ohos ohso ohss okko okok okpo okso ooho oohs oooh oooo ooos oops ophs opo- opos oppo opps oscc osco oshc osho oshp oshs osoo osos osso pccc pccs pchp pchs pcks pcos pcpp pcps pcso phcc phhs phoh phoo phos phsc pkcs poch pock poco pocs pohs poko pooh pook poop poos pop- popc popo popp pops posh posk poso poss ppcc ppcs pphs ppos pppo pppp ppps ppsh ppss psco pshc pshs psoc psos psph pspp psps pssc psso s-os sccc sccp sccs sch- schh scho schs sck- scoh scok scoo scop scpo scps scsc scsh scso shcc shcp shhh shhs shok shoo shop shos shps shsc skhs skop skpc skpo skss soch sock soco socs sohh soho sohp sohs sokk soko sook soop soos soph sopo sopp sops sosh soso soss spcc spco spcs sphs spoc spok spoo spop spos spps spso spsp spss sscc sscp sscs sshs ssoc ssop sspc sspo ssps sssc sssh ssss