cccc cccl cccp ccee ccel cclc ccoc ccpe ccpl ccpp ccpr ccrc ccre ccrl ccrp ccrt cctc cctl cctt cec- cece ceco cecp cect ceec ceel ceke cel- celc cele cell celo celt ceol ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cerl cero cerp cert cet- cete ceto cetp ckck ckcl ckco cker ckoc ckoo ckor ckot ckpc ckpr ckrc clec clee clek cleo clep cler clet cloe clok cloo clop clor clot clpp clro cltc coce cock coco cocp coct coel coep cok- coke coko col- cole colk coll colo colp colt cook cool coop coot cope copo copp copr copt cor- corc core cork corl coro corp corr cort cotc cote coto cott cpce cpep cper cplc cpre cprt cptp cptr crcc crce crcr cre- crec cree creo crep cret crkc crkl crkp croc croe crok crol croo crop cror crot crpc crrt crtc crtl crtp ctcp ctec ctep ctle ctol ctor ctot ctpo ctpp ctrc ctrl ctrp e-cl eccc ecce eccl ecco ecct ecko eclt eco- ecol ecop ecot ecpp ecrc ecrl ecrr ect- ectc ecto eeee eeke eele eeoc eerc eero eetc eete ekco ekek eker eket ekpe ekpo el-p elce elco elec elee elek eleo eler elet elke elko elle ello elok elpe elro elte elto eole eolo eore eorl eotc eoto epcc epec epee eper eple epll epoc epol epor epot eppc eppo eppp epro eprp epte ercc erce ercp erec erel erer eret erke erle erll eroc eroe erol eroo erpe errc erre erro ertl etcc etco etec etee etel eter etoe etok etre etro ette etto k-lo kccc kcck kccl kccr kcct kcec kcee kcel kceo kcep kcet kckc kckk kckl kcko kckr kclc kcle kclk kcll kclr kclt kcoe kcol kcor kcot kcpc kcpl kcpo kcpr kcpt kcrc kcro kcrp kcrr kcrt kctc kcte kcto keck keco kecr keek keel keep keer keet kekc keke kekl keko kele kelk kell kelo kelp kelt keok keol kep- kepc kepe kept ker- kerc kere kerk kerl kero kerp kerr kert ket- ketc kete ketk keto ketp ketr kett kkck kkcl kkco kkcr kkct kkkk kklc kkll kklo kkol kkoo kkor kkot kkpc kkpk kkpl kkpt kkrc kkre kkrk kkrl kkro kkrr kkrt kktc kktk kktl klcc klce klck klcl klcr klec klee klek kleo klep kler klet klkc klkk klkl klko klkr kllc klle kllk kllp kloc kloe klok klol kloo klop klor klpc klpr klrc klrk klrr kltc kltk klto kltr kltt kock kocp koct koel kokc koke kokk koko kokp kokr kolc kole kolk koll kolo kolr kolt kooc kook kool kooo koop koor koot kope kopp kopr kopt korc kore kork korl koro korr kort kotc kote kotk koto kotr kott kpcc kpcl kpcr kpek kpel kper kpet kpke kpkk kpkl kpkr kplc kplk kplo kplr kplt kpoc kpoe kpok kpol kpoo kpop kppc kppk kppl kppo kppp kppr kprc kpre kprk kprl kpro kprp kprr kprt kpte kptl kpto kptr kptt krcc krce krcl krco krec kree krek kreo kret krkc krke krkk krko krkr krlc krle krlt kroc kroe krok krol kroo krop kror krpl krpr krpt krrc krre krrk krrl krro krrr krrt krtc krtk krto krtr ktcc ktce ktck ktcl ktco ktcr ktec ktee ktek ktel ktep ktkc ktke ktkk ktko ktkr ktkt ktlk ktlo ktlr ktlt ktoc ktoe ktok ktoo ktop ktor ktot ktpk ktpl ktpo ktpr ktpt ktrc ktre ktrk ktrl ktro ktrp ktrr ktrt kttc kttk ktto kttp kttr kttt lccc lcce lcer lcor lcpc lcpl lcrl lctl lcto lece leck leco lect leek leel leep leer leet leke lekk leko lele lell lelo leoc leok leor lepe lepo lepp lept lerc lere lerk lero lerp lert lete leto lett llcc llet lllc llll lloc lloo locc loce lock loco loke lokk loko lole loll lolo looc looe look lool loop loor loot lope lopp lore lork loro lote lotl loto lotr lott lpec lppl lprp lroc lrrc lrrr ltcc ltee ltke lttc lttr o-eo occc occt oce ocee ocet ocke oclc ocpp ocre ocrl ocro ocrr oct- octe octo oec- oecc oeec oele oere oker oket okko oklo okok okol okor okot okpe okpo okre okro okto olcc ole- oleo oler olet olle ollo olor olot olpc olpe oocr ooer oolo oooo oore oort ootp opec opel opep oper opet ople opo- opor oppo opto orce orco ore- orec orek orel oreo orer orke orko orle orlo oro- oroe orok oror orot orpc orpe orro ortc orte orto otcl otee otep oter oto- otoe otok otoo otor otpp otre otro otte otto pccc pcce pccl pcep pcer pclk pcll pclo pcoe pcpp pcrc pcre pcrl pcte pece peck pecl peco pecr pect peec peek peel peep peer peet peke pekk peko pel- pele pell pelo pelt peor pepe pepo per- perc pere perk perl pero perp perr pert pete peto petr pett pklr plcc plce ple- plec plee plek pleo plet plkk ploc plok ploo plop plot plpp pltt poce pock poco poel poer poet poke poko pole polk poll polo polt pook pool poop poor poot pop- popc pope popo popp popt porc pore pork poro porr port potc pote poto pott ppcc pper pple pplo pppo pppp pprc pptt prcc prcp pre- prec pree prek prel prep pret prle prlr pro- proc proe prol proo prop prot prtc prtp prtr ptcc ptcl pter ptol ptop pttc pttk rccc rcep rcet rcle rcpo rcpt rctc recc rece reck recp recr rect reek reel reep reet reke reko rekt rele rell relo relp relt reol reop reot repe repl repo repp repr rept rere rero rert rete reto retr rett rlee rocc roce rock roco roel roer roet roke rokk roko rokr role rolk roll rolo rolp rolt rook rool roop roor root rope ropo rorc rore rork roro rort rotc rote rotk rotl roto rotr rott rpet rpoe rrle rrrr rtcc rtce rtee rtle rtlt rttp tccc tcep tcpo tctc teck tecl teco tecr tect teec teek