cccc cccl cccp cclc ccoc ccpl ccpp ccpr ccrc ccrl ccrp ccrt cctc cctl cctt ckck ckcl ckco ckoc ckoo ckor ckot ckpc ckpr ckrc clok cloo clop clor clot clpp clro cltc cock coco cocp coct cok- coko col- colk coll colo colp colt cook cool coop coot copo copp copr copt cor- corc cork corl coro corp corr cort cotc coto cott cplc cprt cptp cptr crcc crcr crkc crkl crkp croc crok crol croo crop cror crot crpc crrt crtc crtl crtp ctcp ctol ctor ctot ctpo ctpp ctrc ctrl ctrp k-lo kccc kcck kccl kccr kcct kckc kckk kckl kcko kckr kclc kclk kcll kclr kclt kcol kcor kcot kcpc kcpl kcpo kcpr kcpt kcrc kcro kcrp kcrr kcrt kctc kcto kkck kkcl kkco kkcr kkct kkkk kklc kkll kklo kkol kkoo kkor kkot kkpc kkpk kkpl kkpt kkrc kkrk kkrl kkro kkrr kkrt kktc kktk kktl klcc klck klcl klcr klkc klkk klkl klko klkr kllc kllk kllp kloc klok klol kloo klop klor klpc klpr klrc klrk klrr kltc kltk klto kltr kltt kock kocp koct kokc kokk koko kokp kokr kolc kolk koll kolo kolr kolt kooc kook kool kooo koop koor koot kopp kopr kopt korc kork korl koro korr kort kotc kotk koto kotr kott kpcc kpcl kpcr kpkk kpkl kpkr kplc kplk kplo kplr kplt kpoc kpok kpol kpoo kpop kppc kppk kppl kppo kppp kppr kprc kprk kprl kpro kprp kprr kprt kptl kpto kptr kptt krcc krcl krco krkc krkk krko krkr krlc krlt kroc krok krol kroo krop kror krpl krpr krpt krrc krrk krrl krro krrr krrt krtc krtk krto krtr ktcc ktck ktcl ktco ktcr ktkc ktkk ktko ktkr ktkt ktlk ktlo ktlr ktlt ktoc ktok ktoo ktop ktor ktot ktpk ktpl ktpo ktpr ktpt ktrc ktrk ktrl ktro ktrp ktrr ktrt kttc kttk ktto kttp kttr kttt lccc lcor lcpc lcpl lcrl lctl lcto llcc lllc llll lloc lloo locc lock loco lokk loko loll lolo looc look lool loop loor loot lopp lork loro lotl loto lotr lott lppl lprp lroc lrrc lrrr ltcc lttc lttr occc occt oclc ocpp ocrl ocro ocrr oct- octo okko oklo okok okol okor okot okpo okro okto olcc ollo olor olot olpc oocr oolo oooo oort ootp opo- opor oppo opto orco orko orlo oro- orok oror orot orpc orro ortc orto otcl oto- otok otoo otor otpp otro otto pccc pccl pclk pcll pclo pcpp pcrc pcrl pklr plcc plkk ploc plok ploo plop plot plpp pltt pock poco poko polk poll polo polt pook pool poop poor poot pop- popc popo popp popt porc pork poro porr port potc poto pott ppcc pplo pppo pppp pprc pptt prcc prcp prlr pro- proc prol proo prop prot prtc prtp prtr ptcc ptcl ptol ptop pttc pttk rccc rcpo rcpt rctc rocc rock roco rokk roko rokr rolk roll rolo rolp rolt rook rool roop roor root ropo rorc rork roro rort rotc rotk rotl roto rotr rott rrrr rtcc rtlt rttp tccc tcpo tctc tkol tlco tock toco toko tol- tolk toll tolo tolt took tool toor toot top- topo topp topt torc tork toro torp torr tort totc toto totr tott tpck tpcp tpol tppp tppr tptp tptr trcc trcl troc troo trop trot trpc trpp trtc trtr ttcp ttop tttt