cccc cccp cccs cchp cchs cchy ccoc ccpp ccps ccsp ccss chch chcp chcs chhs chks choc choh chok choo chop chos choy chpp chsc chsh chy- chyc chyk ckch ckck ckco ckcs ckcy ckhs ckoc ckoo ckos ckoy ckpc cksh ckso coch cock coco cocp coho cohs cok- coko coky cooh cook coop coos coph copo copp cops copy cosc cosh coso cosp coss cosy coyo coys cpcs cphs cpos cpps cpsc cpsk cpso cscc csch csco cscs cshp cshs csks csos cspc csps csys cyc- cycc cycs cypc cyps cyy- cyyc hccc hcch hccs hchs hcpc hcps hcsc hcso hcss hhhh hhhs hhpc hkcc hkcs hkpo hoch hock hocs hoho hoko hoks hoky hook hoop hoos hopo hopp hops hopy hosh hosp hoss hoys hpcc hphs hpps hpsc hpss hscc hshs hsps hssp hyo- hyp- hyph hypo hyps hypy k-os kccc kcck kccy kchh kchk kcho kchs kckc kckk kcko kcky kcoh kcos kcpc kcpo kcps kcsc kcsp kcss kcsy kcyk kcys kcyy khcc khch khck khcs khhk khho khhs khkk khks khky khoc khok khop khoy khpy khss khys khyy kkch kkck kkco kkcs kkcy kkhh kkhk kkkk kkoh kkoo kkoy kkpc kkpk kkps kksp kkss kkyc kkys kkyy koch kock kocp kocs kohh koho kohs kokc kokh kokk koko kokp koks koky kooc kook kooo koop koos koph kopp kops kopy kos- kosc kosh koso kosp koss kosy koyo koyy kpcc kpch kpcs kphp kphs kpkk kpky kpoc kpok kpoo kpop kpoy kppc kppk kppo kppp kpsc kpsh kpso kpsp kpyk ksch ksck ksco kscs kscy kshk ksho kshp kshs kskk ksko ksks ksky ksoc ksok ksoo ksop ksos kspc kspk kspo ksps ksso ksss ksyc ksyy kycc kyck kycs kykc kykk kyks kyky kyok kyoo kyos kyoy kyp- kypc kyps kysc kysk kysp kyyk kyyo kyys kyyy occc ochs ocks ocos ocpp ocys ohcc ohho ohhs ohoh ohok ohos ohso ohss ohyo okko okok okpo okso okyo ooho oohs ooky oooh oooo ooos oops ophs opo- opos oppo opps oppy opsy oscc osco oshc osho oshp oshs osoo osos osso ossy osyp oych oyss pccc pccs pchp pchs pcks pcos pcpp pcps pcso phcc phhs phoh phoo phos phsc phys pkcs poch pock poco pocs pohs poko poky pooh pook poop poos pop- popc popo popp pops popy posh posk poso poss posy poyo poys ppcc ppcs pphs ppos pppo pppp ppps ppsh ppss psco pshc pshs psoc psos psph pspp psps pssc psso psy- psys pych pyck pykk pyo- pyos pypy pysk pyss s-os sccc sccp sccs sccy sch- schh scho schs sck- scoh scok scoo scop scpo scps scsc scsh scso shcc shcp shhh shhs shok shoo shop shos shps shsc shyp skhs skop skpc skpo skss sky- skys skyy soch sock soco socs socy sohh soho sohp sohs sokk soko sook soop soos sooy soph sopo sopp sops sopy sosh soso soss soyo soys spcc spco spcs sphs spoc spok spoo spop spos spoy spps spso spsp spss spy- spyh spys sscc sscp sscs sshs ssoc ssop sspc sspo ssps sssc sssh ssss sych syck syco syph sypo syso syss syyk yccc ycch ykko yksc yoch yock yoho yoko yoks yoky yook yoop yopo yopy yosh yoso yoyo ypcc ysco ysop yssh yyyy