cccc cccl cccp cccs cclc ccls ccoc ccpl ccpp ccps ccsl ccsp ccss ccst cctc cctl cctt ckck ckcl ckco ckcs ckoc ckoo ckos ckot ckpc cksl ckso ckst ckts clok cloo clop clos clot clpp clsc cltc clts cock coco cocp coct cok- coko col- colk coll colo colp cols colt cook cool coop coos coot copo copp cops copt cosc cosl coso cosp coss cost cotc coto cots cott cpcs cplc cpls cpos cpps cpsc cpsk cpsl cpso cptp cpts cscc cscl csco cscs csks cslp csos csot cspc csps cspt cstc csto csts ctcp ctls ctol ctos ctot ctpo ctpp ctps ctsc ctss ctts k-lo k-os kccc kcck kccl kcct kckc kckk kckl kcko kclc kclk kcll kcls kclt kcol kcos kcot kcpc kcpl kcpo kcps kcpt kcsc kcsp kcss kcst kctc kcto kkck kkcl kkco kkcs kkct kkkk kklc kkll kklo kkls kkol kkoo kkot kkpc kkpk kkpl kkps kkpt kksp kkss kkst kktc kktk kktl kkts klcc klck klcl klcs klkc klkk klkl klko klks kllc kllk kllp klls kloc klok klol kloo klop klos klpc klsc klst kltc kltk klto kltt kock kocp kocs koct kokc kokk koko kokp koks kolc kolk koll kolo kols kolt kooc kook kool kooo koop koos koot kopp kops kopt kos- kosc koso kosp koss kost kotc kotk koto kots kott kpcc kpcl kpcs kpkk kpkl kplc kplk kplo kplt kpoc kpok kpol kpoo kpop kppc kppk kppl kppo kppp kpsc kpso kpsp kptl kpto kpts kptt ksck kscl ksco kscs kskk ksko ksks kslc kslk ksll kslo kslt ksoc ksok ksol ksoo ksop ksos kspc kspk kspl kspo ksps kspt kssl ksso ksss ksst kstc kstk kstl ksto kstp ksts kstt ktcc ktck ktcl ktco ktcs ktkc ktkk ktko ktks ktkt ktlk ktlo ktlt ktoc ktok ktoo ktop ktot ktpk ktpl ktpo ktpt ktsc ktsl ktso ktst kttc kttk ktto kttp ktts kttt lccc lccs lcls lcpc lcpl lcps lcsc lcsp lctl lcto lcts llcc llcs llks lllc llll lloc lloo llps locc lock loco locs lokk loko loll lolo lols looc look lool loop loos loot lopp lops losc loso losp loss lost lotl loto lots lott lppl lpsc lpss lsco lscs lspl lsso lssp lsts ltcc ltcs ltps ltsp lttc occc occt ocks oclc ocos ocpp oct- octo octs okko oklo okok okol okot okpo okso okto olcc ollo olos olot olpc olst oolo oooo ooos oops oost ootp oots opls opo- opos oppo opps opto opts oscc oscl osco oslo osoo osos osso ostc osts otcl oto- otok otoo otos otpp otso otto otts pccc pccl pccs pcks pclk pcll pclo pcos pcpp pcps pcso pcts pkcs pkts plcc plkk ploc plok ploo plop plos plot plpp plss pltt pock poco pocs poko polk poll polo pols polt pook pool poop poos poot pop- popc popo popp pops popt posk poso poss post potc poto pots pott ppcc ppcs pplo ppos pppo pppp ppps ppss ppts pptt psco psoc psol psos pspp psps pssc psso psst psts ptcc ptcl ptol ptop pttc pttk s-os sccc sccl sccp sccs scct sck- sckl scl- sclc sclk scls scok scol scoo scop scot scpl scpo scps scpt scsc scsl scso scst sctc sctl scto scts skol skop skot skpc skpo skss slcc sllp sloc sloo slop slos slot slpp slps slsc slst slts sock socl soco socs sokk soko solk soll solo solp sols solt sook sool soop soos soot sopo sopp sops soso soss sost sotc sotk sotl soto sotp sots spcc spco spcs spkl splc splo splp spls spoc spok spoo spop spos spot spps spso spsp spss spst sptc spto spts sscc sscp sscs sslc sslp sslt ssoc ssop ssot sspc sspl sspo ssps sspt sssc ssss sstc sstl sstp ssts stcc stcp stcs stks stlc stlo stlt stok stol stoo stop stos stot stpp stps stss sttc tccc tcos tcpo tctc tcts tkol tkos tkts tlco tlos tock toco toko tol- tolk toll tolo tolt took tool toos toot top- topo topp tops topt tosc tosk toso toss tost totc toto tots tott tpck tpcp tpcs tpks tpls tpol tppp tpsc tptp tscc tscp tsks tsol tsop tsos tspo tsps tspt tsst tstc tsts ttcp ttop ttss tttt