cccc cccp ccee ccoc ccpe ccpp cctc cctt cec- cece ceco cecp cect ceec ceke ceop cepc cepe cepo cepp cept cet- cete ceto cetp ckck ckco ckoc ckoo ckot ckpc coce cock coco cocp coct coep cok- coke coko cook coop coot cope copo copp copt cotc cote coto cott cpce cpep cptp ctcp ctec ctep ctot ctpo ctpp eccc ecce ecco ecct ecko eco- ecop ecot ecpp ect- ectc ecto eeee eeke eeoc eetc eete ekco ekek eket ekpe ekpo eotc eoto epcc epec epee epoc epot eppc eppo eppp epte etcc etco etec etee etoe etok ette etto kccc kcck kcct kcec kcee kceo kcep kcet kckc kckk kcko kcoe kcot kcpc kcpo kcpt kctc kcte kcto keck keco keek keep keet kekc keke keko keok kep- kepc kepe kept ket- ketc kete ketk keto ketp kett kkck kkco kkct kkkk kkoo kkot kkpc kkpk kkpt kktc kktk kock kocp koct kokc koke kokk koko kokp kooc kook kooo koop koot kope kopp kopt kotc kote kotk koto kott kpcc kpek kpet kpke kpkk kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kpte kpto kptt ktcc ktce ktck ktco ktec ktee ktek ktep ktkc ktke ktkk ktko ktkt ktoc ktoe ktok ktoo ktop ktot ktpk ktpo ktpt kttc kttk ktto kttp kttt o-eo occc occt oce ocee ocet ocke ocpp oct- octe octo oec- oecc oeec oket okko okok okot okpe okpo okto oooo ootp opec opep opet opo- oppo opto otee otep oto- otoe otok otoo otpp otte otto pccc pcce pcep pcoe pcpp pcte pece peck peco pect peec peek peep peet peke pekk peko pepe pepo pete peto pett poce pock poco poet poke poko pook poop poot pop- popc pope popo popp popt potc pote poto pott ppcc pppo pppp pptt ptcc ptop pttc pttk tccc tcep tcpo tctc teck teco tect teec teek teet teke teok tepe tepp tete teto tett toce tock toco toee toek toet toke toko took toot top- tope topo topp topt totc tote toto tott tpck tpcp tpke tppp tpte tptp ttcp tteo ttoe ttop tttt