c-cd cccc ccdc ccdr cced ccee ccrc ccre ccrt cctc cctt cd-e cd-r cddr cdec cder cdre cec- cece cect cedd cede cedt ceec ceke cer- cerc cerd cere cert cet- cete ckck cker ckrc ckrd crcc crce crcr crdc cre- crec cred cree cret crkc crrt crtc ctec ctrc dccc dcct dcrk dctc dddd ddrc ddre dec- decc decd dece deck dect dedd dede deed deek deer deet dek- deke der- derc dere derk derr dete detk detr dkdc dred dree drek dret dtcc dted dtek eccc ecce ecct ecdc eced ecrc ecrr ect- ectc eddc edde ede- eder eede eeee eeke eerc eetc eete eked ekek eker eket ercc erce erde erec ered erer eret erke errc erre etcc etec etee eter etre ette kccc kccd kcck kccr kcct kcdc kcdd kcdr kcec kced kcee kcet kckc kckk kckr kcrc kcrr kcrt kctc kcte kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kdet kdkd kdkk kdkr kdkt kdtd kdtr keck kecr kedc kedd kede kedr kedt keed keek keer keet kekc keke ker- kerc kere kerk kerr kert ket- ketc ketd kete ketk ketr kett kkcd kkck kkcr kkct kkdc kkdd kkdt kked kkkk kkrc kkre kkrk kkrr kkrt kktc kktk krcc krcd krce krdc krdd krde krdr krec kred kree krek kret krkc krkd krke krkk krkr krrc krre krrk krrr krrt krtc krtk krtr ktcc ktce ktck ktcr ktdc ktdd ktde ktdk ktdr ktec kted ktee ktek ktkc ktke ktkk ktkr ktkt ktrc ktre ktrk ktrr ktrt kttc kttk kttr kttt rccc rcdc rcde rcet rcrd rctc rder recc recd rece reck recr rect redc redd rede redr reed reek reet reke rekt rerd rere rert retd rete retr rett rred rrrr rtcc rtce rtdt rtee tccc tcdd tctc tdkr teck tecr tect tedd tede tedk teec teed teek teer teet teke ter- terc tere terk terr tete tetr tett trcc tre- trec tred tree trek tret trtc trte trtr tter tttt