-up c-- ccc cck cco ccp ccr ccs cct ccu ckc cko cks ckt co- coc cok coo cop cor cos cot cou cpc cpk cpo cpp cpr cps cpt cpu crc crk cro crp crr crs crt cru csc csk cso csp csr css cst csu ctc ctk cto ctp ctr cts ctt ctu cuc cuk cuo cup cur cus cut cuu k-t kcc kck kcp kcr kcs kct kcu kkc kkk kkp kkr kks kkt kku koc kok koo kop kor kos kot kou kpc kpk kpo kpp kpr kps kpt kpu krc krk kro krp krr krs krt kru ksc ksk kso ksp ksr kss kst ksu ktc ktk kto ktp ktr kts ktt ktu kuc kuk kup kur kus kut kuu oc- occ ock oco ocp ocr ocs oct ocu okc okk oko okp okr oks oku oo- ooc ook ooo oop oor oos oot op- opc opk opo opp opr ops opt or- orc ork oro orp orr ors ort oru os- osc osk oso osp osr oss ost osu ot- otc otk oto otp otr ots ott otu ou- ouc ouk ouo oup our ous out p-p pcc pck pco pcp pcr pcs pct pcu pkc pko pkp pkr pks pkt pku poc pok poo pop por pos pot pou ppc ppk ppo ppp ppr pps ppt ppu prc prk pro prp prr prs prt pru ps- psc psk pso psp psr pss pst psu pt- ptc ptk pto ptp ptr pts ptt ptu puc puk pup pur pus put puu rcc rco rcp rcr rcs rct rcu rkc rkk rko rkp rks rkt rku roc rok roo rop ror ros rot rou rpc rpk rpo rpp rpr rps rpt rpu rrc rrk rrp rrr rrs rrt rru rsc rsk rso rsp rsr rss rst rsu rtc rtk rto rtp rtr rts rtt rtu ruc ruk ruo rup rur rus rut ruu scc sck sco scp scr scs sct scu sk- skc skk sko skp skr sks skt sku soc sok soo sop sor sos sot sou spc spk spo spp spr sps spt spu sr- src srk sro srp srr srs srt ss- ssc ssk sso ssp ssr sss sst ssu stc stk sto stp str sts stt stu suc suk suo sup sur sus sut suu tcc tck tco tcp tcr tcs tct tcu tkc tkk tko tkp tkr tks tkt to- toc tok too top tor tos tot tou tpc tpk tpo tpp tpr tps tpt tpu trc trk tro trp trr trs trt tru tsc tsk tso tsp tsr tss tst tsu ttc ttk tto ttp ttr tts ttt ttu tuc tuk tuo tup tur tus tut tuu ucc uck uco ucp ucr ucs uct ucu ukc ukk ukp ukr uku uoc uok uoo uop uor uos uot up- upc upk upo upp upr ups upt upu ur- urc urk uro urp urr urs urt uru usc usk uso usp usr uss ust usu utc utk uto utp utr uts utt utu uuc uur uus uut uuu

-ous cccc cccp cccs cccu ccoc ccpp ccpr ccps ccrc ccrp ccrs ccrt ccsp ccss ccst cctc cctt ccuc ccup ccus ccut ckck ckco ckcs ckoc ckoo ckor ckos ckot ckpc ckpr ckrc ckso ckst ckts cock coco cocp coct cocu 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 cotu couk coup cour cous cout cpcs cpcu cpos cpps cprs cprt cpsc cpsk cpso cpsr cpsu cptp cptr cpts cpus crcc crcr crkc crkp croc crok croo crop cror crot crpc crps crrt crsp crss crst crtc crtp crts cruk crup crus crut cscc csco cscr cscs csks csor csos csot cspc csps cspt csrc csrs cssr cstc csto cstr csts csup csur csus ctcp ctor ctos ctot ctpo ctpp ctps ctrc ctrp ctrs ctsc ctss ctsu ctts cucc cuck cuk- cupo cupp cupr cups curo curr curs curt cusk cuso cusp cuss cust cusu cut- cutc cuto cuts cutt k-os kccc kcck kccr kcct kccu kckc kckk kcko kckr kcor kcos kcot kcou kcpc kcpo kcpr kcps kcpt kcpu kcrc kcro kcrp kcrr kcrs kcrt kcru kcsc kcsp kcsr kcss kcst kcsu kctc kcto kctu kcuk kcup kkck kkco kkcr kkcs kkct kkkk kkoo kkor kkot kkpc kkpk kkps kkpt kkrc kkrk kkro kkrr kkrs kkrt kksp kksr kkss kkst kksu kktc kktk kkts kktu kkup kkus kkut kkuu kock kocp kocs koct kokc kokk koko kokp kokr koks koku kooc kook kooo koop koor koos koot koou kopp kopr kops kopt kopu korc kork koro korr kors kort koru kos- kosc koso kosp kosr koss kost kosu kotc kotk koto kotr kots kott kotu kour kous kout kouu kpcc kpcr kpcs kpkk kpkr kpoc kpok kpoo kpop kpou kppc kppk kppo kppp kppr kprc kprk kpro kprp kprr kprs kprt kpru kpsc kpso kpsp kpsu kpto kptr kpts kptt kpur kpus krcc krco krcs krcu krkc krkk krko krkr krks krku kroc krok kroo krop kror kros krpr krps krpt krpu krrc krrk krro krrr krrs krrt krsc krsk krsr krss krst krsu krtc krtk krto krtr krts kruc kruk krup krur ksck ksco kscr kscs kscu kskk ksko kskr ksks ksku ksoc ksok ksoo ksop ksor ksos ksou kspc kspk kspo kspr ksps kspt ksro ksrp ksrr ksrs ksrt ksso kssr ksss ksst kssu kstc kstk ksto kstp kstr ksts kstt kstu ksup ksut ksuu ktcc ktck ktco ktcr ktcs ktkc ktkk ktko ktkr ktks ktkt ktku ktoc ktok ktoo ktop ktor ktot ktpk ktpo ktpr ktpt ktrc ktrk ktro ktrp ktrr ktrs ktrt ktru ktsc ktso ktsr ktst ktsu kttc kttk ktto kttp kttr ktts kttt kttu ktuc kucc kuco kucp kucr kukk kuks kuku kuok kuoo kuop kuos kupr kups kupt kupu kurk kuro kurr kurs kurt kuru kusc kuso kusp kust kusu kuto kutp kutr kuts kutt kutu kuuk kuur kuuu occc occt ocks ocos ocpp ocro