cccc cccf cccs ccfc ccff cchs ccoc ccsf ccss ccst cctc cctt cfcf cfco cfcs cfhk cfhs cfos cftc cfth cftk chch chcs chfc chfs chhs chks chkt choc choh chok choo chos chsc chsh chst chto chtt ckch ckck ckco ckcs ckhs ckoc ckoo ckos ckot cksh ckso ckst ckts coch cock coco coct cofc coff cofs coft coho cohs cok- coko coof cooh cook coos coot cosc cosh coso coss cost cotc coth coto cots cott cscc cscf csch csco cscs csfc cshs csks csos csot cstc csto csts ctcf ctfc ctfo ctfs cths ctos ctot ctsc ctss ctts f--k fccf fcch fchs fcot fcsc fcst fcto ffcc ffff ffhs ffss fftf fhfs fhhs fhss foch fock foco focs fofo fohs foof fook foos foot fosh foso foss fost foth foto fots fott fscc fsck fsfo fshs fssc fssf ft-c ftfc fths ftos hccc hcch hccs hcfc hchs hcsc hcso hcss hcst hfcs hfhs hfss hhhh hhhs hhof hkcc hkcs hkst hoch hock hocs hoff hofs hoho hoko hoks hoof hook hoos hoot hosh hoss host hoth hoto hots hott hscc hsct hsfc hsfs hshs hsts htcc htfc hths htoh htsc k-os kccc kcck kcct kcfc kcfh kcfo kcft kchf kchh kchk kcho kchs kckc kckf kckk kcko kcof kcoh kcos kcot kcsc kcsf kcss kcst kctc kcto kfcf kfch kfco kfcs kfff kffk kfhc kfok kfoo kfsh kfsk kfst kftc kftk kftt khcc khcf khch khck khcs khct khhk khho khhs khkk khks khoc khok khot khss khst khth khtk khto khts khtt kkch kkck kkco kkcs kkct kkfs kkft kkhh kkhk kkkk kkoh kkoo kkot kksf kkss kkst kktc kktk kkts kocf koch kock kocs koct kofc koff kofh kofk kofo koft kohh koho kohs koht kokc kokf kokh kokk koko koks kooc kook kooo koos koot kos- kosc kosf kosh koso koss kost kotc koth kotk koto kots kott ksch ksck ksco kscs ksfc ksfh ksfo ksft kshk ksho kshs kskf kskk ksko ksks ksoc ksof ksok ksoo ksos ksso ksss ksst kstc ksth kstk ksto ksts kstt ktcc ktch ktck ktco ktcs ktfc ktfo ktfs kthc kthh kthk ktho kths ktht ktkc ktkk ktko ktks ktkt ktoc ktoh ktok ktoo ktot ktsc ktsf ktso ktst kttc kttf ktth kttk ktto ktts kttt occc occt ochs ocht ocks ocos oct- octo octs off- offc offh offo offs ofst ohcc ohho ohhs ohoh ohok ohos ohso ohss ohto okko okok okot okso okto ooff oofs ooho oohs oooh oooo ooos oost oots oscc osco oshc osho oshs osoo osos osso ostc osts otfc otho oths oto- otof otoh otok otoo otos otso otto otts s-os sccc sccs scct scfc sch- schh scho schs sck- scoh scok scoo scot scsc scsh scso scst sctc scto scts sfcc sfco sfcs sffc sfhs sfos sfss sfts shcc shft shhh shhs shof shok shoo shos shot shsc shts skfc skhs skot skss soch sock soco socs sofo soft sohh soho sohs sokk soko soof sook soos soot sosh soso soss sost sotc soth sotk soto sots sscc sscs ssfc sshs ssoc ssot sssc sssf sssh ssss sstc ssth ssts stcc stch stcs stfc sths stks stof stok stoo stos stot stsf stss sttc tccc tcfc tch- tchh tcho tchs tcos tcsh tctc tcts tfot tfss tftc thch thof thoo thos thot thss thts tkof tkos tkts toch tock toco toff tofo toft toho toko toof tooh took toos toot tosc tosh tosk toso toss tost totc toth toto tots tott tscc tsfc tshs tsks tsos tssf tsst tstc tsts ttfc ttff ttss tttt