c-- ccc cck cco ccp ccr ccs cct ckc cko cks ckt co- coc cok coo cop cor cos cot cpc cpk cpo cpp cpr cps cpt crc crk cro crp crr crs crt csc csk cso csp csr css cst ctc ctk cto ctp ctr cts ctt k-t kcc kck kcp kcr kcs kct kkc kkk kkp kkr kks kkt koc kok koo kop kor kos kot kpc kpk kpo kpp kpr kps kpt krc krk kro krp krr krs krt ksc ksk kso ksp ksr kss kst ktc ktk kto ktp ktr kts ktt oc- occ ock oco ocp ocr ocs oct okc okk oko okp okr oks oo- ooc ook ooo oop oor oos oot op- opc opk opo opp opr ops opt or- orc ork oro orp orr ors ort os- osc osk oso osp osr oss ost ot- otc otk oto otp otr ots ott p-p pcc pck pco pcp pcr pcs pct pkc pko pkp pkr pks pkt poc pok poo pop por pos pot ppc ppk ppo ppp ppr pps ppt prc prk pro prp prr prs prt ps- psc psk pso psp psr pss pst pt- ptc ptk pto ptp ptr pts ptt rcc rco rcp rcr rcs rct rkc rkk rko rkp rks rkt roc rok roo rop ror ros rot rpc rpk rpo rpp rpr rps rpt rrc rrk rrp rrr rrs rrt rsc rsk rso rsp rsr rss rst rtc rtk rto rtp rtr rts rtt scc sck sco scp scr scs sct sk- skc skk sko skp skr sks skt soc sok soo sop sor sos sot spc spk spo spp spr sps spt sr- src srk sro srp srr srs srt ss- ssc ssk sso ssp ssr sss sst stc stk sto stp str sts stt tcc tck tco tcp tcr tcs tct tkc tkk tko tkp tkr tks tkt to- toc tok too top tor tos tot tpc tpk tpo tpp tpr tps tpt trc trk tro trp trr trs trt tsc tsk tso tsp tsr tss tst ttc ttk tto ttp ttr tts ttt

cccc cccp cccs ccoc ccpp ccpr ccps ccrc ccrp ccrs ccrt ccsp ccss ccst cctc cctt ckck ckco ckcs ckoc ckoo ckor ckos ckot ckpc ckpr ckrc ckso ckst ckts cock coco cocp coct cok- coko cook coop coos coot copo copp copr cops copt cor- corc cork coro corp corr cors cort cosc coso cosp coss cost cotc coto cots cott cpcs cpos cpps cprs cprt cpsc cpsk cpso cpsr cptp cptr cpts crcc crcr crkc crkp croc crok croo crop cror crot crpc crps crrt crsp crss crst crtc crtp crts cscc csco cscr cscs csks csor csos csot cspc csps cspt csrc csrs cssr cstc csto cstr csts ctcp ctor ctos ctot ctpo ctpp ctps ctrc ctrp ctrs ctsc ctss ctts k-os kccc kcck kccr kcct kckc kckk kcko kckr kcor kcos kcot kcpc kcpo kcpr kcps kcpt kcrc kcro kcrp kcrr kcrs kcrt kcsc kcsp kcsr kcss kcst kctc kcto kkck kkco kkcr kkcs kkct kkkk kkoo kkor kkot kkpc kkpk kkps kkpt kkrc kkrk kkro kkrr kkrs kkrt kksp kksr kkss kkst kktc kktk kkts kock kocp kocs koct kokc kokk koko kokp kokr koks kooc kook kooo koop koor koos koot kopp kopr kops kopt korc kork koro korr kors kort kos- kosc koso kosp kosr koss kost kotc kotk koto kotr kots kott kpcc kpcr kpcs kpkk kpkr kpoc kpok kpoo kpop kppc kppk kppo kppp kppr kprc kprk kpro kprp kprr kprs kprt kpsc kpso kpsp kpto kptr kpts kptt krcc krco krcs krkc krkk krko krkr krks kroc krok kroo krop kror kros krpr krps krpt krrc krrk krro krrr krrs krrt krsc krsk krsr krss krst krtc krtk krto krtr krts ksck ksco kscr kscs kskk ksko kskr ksks ksoc ksok ksoo ksop ksor ksos kspc kspk kspo kspr ksps kspt ksro ksrp ksrr ksrs ksrt ksso kssr ksss ksst kstc kstk ksto kstp kstr ksts kstt ktcc ktck ktco ktcr ktcs ktkc ktkk ktko ktkr ktks ktkt ktoc ktok ktoo ktop ktor ktot ktpk ktpo ktpr ktpt ktrc ktrk ktro ktrp ktrr ktrs ktrt ktsc ktso ktsr ktst kttc kttk ktto kttp kttr ktts kttt occc occt ocks ocos ocpp ocro ocrr ocrs oct- octo octs okko okok okor okot okpo okro okso okto oocr oooo ooos oops oort oost ootp oots opo- opor opos oppo opps opto opts orco orcs orko oro- orok oror oros orot orpc orps orro orrs orsk orso ortc orto orts oscc osco osoo osor osos osro osso ostc ostr osts oto- otok otoo otor otos otpp otro otrs otso otto otts pccc pccs pcks pcos pcpp pcps pcrc pcso pcts pkcs pkts pock poco pocs poko pook poop poor poos poot pop- popc popo popp pops popt porc pork poro porr pors port posk poso poss post potc poto pots pott ppcc ppcs ppos pppo pppp ppps pprc ppss ppts pptt prcc prcp prcs pro- proc proo prop pros prot prps prrs prsc prso prss prtc prtp prtr psco psoc psos pspp pspr psps psrk psrp pssc psso psst psts ptcc ptop pttc pttk rccc rccs rcos rcpo rcps rcpt rcsc rcss rctc rcts rkos rkss rkts rocc rock roco rocs rokk roko rokr roks rook roop roor roos root ropo rops rorc rork roro rort rosc roso rosp ross rost rotc rotk roto rotr rots rott rpcs rpos rpps rpts rrrr rrsp rscc rscs rsos rspk rspo rsps rstp rsts rtcc rtps rtss rttp rtts s-os sccc sccp sccs scct sck- scok scoo scop scor scot scpo scps scpt scr- scrc scrs scsc scso scsr scst sctc scto sctr scts skop skor skot skpc skpo skrt skss sock soco socr socs sokk soko sook soop soor soos soot sopo sopp sops soro sorr sors sort soso soss sost sotc sotk soto sotp sots spcc spco spcs spkr spoc spok spoo spop spor spos spot spps spro sprs spso spsp spss spst sptc spto