dddd ddre dedd dede deed deek deel deer deet dek- deke deld dele delk dell delt der- dere derk derr dete detk detr dred dree drek drel dret dted dtek dtle dtrl edde ede- edel eder edle eede eeee eeke eele eete eked ekek eker eket elde eldr eled elee elek eler elet elke elle elte erde ered erel erer eret erke erld erle erll erre ertl etee etel eter etre ette kddd kddk kddl kddr kdel kdet kdkd kdkk kdkr kdkt kdld kdll kdlr kdrl kdtd kdtr kedd kede kedr kedt keed keek keel keer keet keke kekl keld kele kelk kell kelt ker- kere kerk kerl kerr kert ket- ketd kete ketk ketr kett kkdd kkdl kkdt kked kkkk kkld kkll kkre kkrk kkrl kkrr kkrt kktk kktl kldd klde kldr kled klee klek kler klet klkk klkl klkr klle kllk klrd klrk klrr kltd kltk kltr kltt krdd krde krdr kred kree krek kret krkd krke krkk krkr krld krle krlt krre krrk krrl krrr krrt krtk krtr ktdd ktde ktdk ktdr kted ktee ktek ktel ktke ktkk ktkr ktkt ktlk ktlr ktlt ktre ktrk ktrl ktrr ktrt kttk kttr kttt lede ledt leed leek leel leer leet leke lekk lele lell lerd lere lerk lert lete lett llet llll lrdd lrrr ltee ltke lttr rder redd rede redl redr reed reek reel reet reke rekt reld rele rell relt rerd rere rert retd rete retr rett rldt rlee rred rrle rrrr rtdt rtee rtle rtlt tdkr tedd tede tedk teed teek teel teer teet teke tel- teld tele tell telt ter- tere terk terr tete tetr tett tldr tre- tred tree trek tret trte trtr tter tttt