c-cd cccc ccdc ccdr cced ccee ccoc ccod ccrc ccre ccrt cctc cctt cd-e cd-r cddr cdec cder cdot cdre cec- cece ceco cect cedd cede cedo cedt ceec ceke ceor cer- cerc cerd cere cero cert cet- cete ceto ckck ckco ckdo cker ckoc ckoo ckor ckot ckrc ckrd coce cock coco coct codd code coed cok- coke coko cood cook coot cor- corc cord core cork coro corr cort cotc cote coto cott crcc crce crcr crdc cre- crec cred cree creo cret crkc croc crod croe crok croo cror crot crrt crtc ctec ctor ctot ctrc dccc dcct dcrk dctc dddd ddoc ddot ddrc ddre dec- decc decd dece deck deco dect dedd dede dedo deed deek deer deet dek- deke deor der- derc dere derk dero derr dete detk deto detr dkdc doce dock doco doct dod- dodd dode dodo doek doer doke doko dood dook door doot dorc dord dore dork doro dorr dort dotd dote dotk doto dott dred dree drek dret drod drot dtcc dted dtek dtor dtot eccc ecce ecco ecct ecdc eced ecko eco- ecod ecot ecrc ecrr ect- ectc ecto eddc edde eddo ede- eder edoc edod eede eeee eeke eeoc eerc eero eetc eete ekco eked ekek eker eket eocd eode eore eotc eotd eoto ercc erce erde erec ered erer eret erke eroc erod eroe eroo errc erre erro etcc etco etec etee eter etoe etok etre etro ette etto kccc kccd kcck kccr kcct kcdc kcdd kcdr kcec kced kcee kceo kcet kckc kckk kcko kckr kcoe kcor kcot kcrc kcro kcrr kcrt kctc kcte kcto kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdet kdkd kdkk kdko kdkr kdkt kdoc kdoe kdok kdot kdro kdtd kdtr keck keco kecr kedc kedd kede kedo kedr kedt keed keek keer keet kekc keke keko keok ker- kerc kere kerk kero kerr kert ket- ketc ketd kete ketk keto ketr kett kkcd kkck kkco kkcr kkct kkdc kkdd kkdo kkdt kked kkkk kkoo kkor kkot kkrc kkre kkrk kkro kkrr kkrt kktc kktk kocd kock koct kode kodk kodo kodt koed kokc koke kokk koko kokr kooc kook kooo koor koot korc kord kore kork koro korr kort kotc kotd kote kotk koto kotr kott krcc krcd krce krco krdc krdd krde krdo krdr krec kred kree krek kreo kret krkc krkd krke krkk krko krkr kroc krod kroe krok kroo kror krrc krre krrk krro krrr krrt krtc krtk krto krtr ktcc ktce ktck ktco ktcr ktdc ktdd ktde ktdk ktdo ktdr ktec kted ktee ktek ktkc ktke ktkk ktko ktkr ktkt ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktrk ktro ktrr ktrt kttc kttk ktto kttr kttt o-eo occc occt oce oced ocee ocet ocke ocre ocro ocrr oct- octe octo oddd oded odeo oder odet odoo odor odot oec- oecc oedo oeec oere oked oker oket okko okok okor okot okre okro okto oocr ooer oooo oord oore oort orce orco orde ordo ore- orec ored orek oreo orer orke orko oro- oroe orok oror orot orro ortc orte orto otcd oted otee oter oto- otoe otok otoo otor otre otro otte otto rccc rcdc rcde rcet rcrd rctc rder rdoc recc recd rece reck recr rect redc redd rede redo redr reed reek reet reke reko rekt reod reot rerd rere rero rert retd rete reto retr rett rocc roce rock roco rodd rode rodo roed roer roet roke rokk roko rokr rood rook roor root rorc rore rork roro rort rotc rote rotk roto rotr rott rred rrrr rtcc rtce rtdt rtee tccc tcdd tctc tdkr tdor teck teco tecr tect tedd tede tedk teec teed teek teer teet teke teok teor ter- terc tere terk tero terr tete teto tetr tett tkod toce tock toco todd tode todo todt toed toee toek toer toet toke toko tood took toor toot torc tord tore tork toro torr tort totc totd tote toto totr tott trcc tre- trec tred tree trek treo tret troc trod troe troo trot trtc trte trtr tteo tter ttoe tttt