-er c-- ccc ccd cce cck ccl ccr cct ccu cdc cdd cde cdk cdl cdr cdt cdu ce- cec ced cee cek cel cer cet ceu ckc ckd ckt cl- clc cld cle clk cll clr clt clu crc crd cre crk crl crr crt cru ctc ctd cte ctk ctl ctr ctt ctu cuc cud cue cuk cul cur cut cuu dcc dcd dce dck dcl dcr dct dcu ddc ddd dde ddk ddl ddr ddt ddu de- dec ded dee dek del der det deu dkc dke dkk dkl dkr dkt dku dl- dlc dld dle dlk dll dlr dlt dlu drc drd dre drk drl drr drt dru dtc dtd dte dtk dtl dtr dtt dtu duc dud due duk dul dur dut ec- ecc ecd ece eck ecl ecr ect ecu ed- edc edd ede edk edl edr edt edu eec eed eee eek eel eer eet ekc ekd eke ekl ekr ekt eku elc eld ele elk ell elr elt elu erc erd ere erk erl err ert eru etc etd ete etk etl etr ett etu eu- euc eud eue eul eur eut k-t kcc kcd kce kck kcl kcr kct kcu kdc kde kdk kdl kdr kdt kdu ke- kec ked kee kek kel ker ket kkc kke kkk kkl kkr kkt kku kl- klc kld klr klt klu krc krd krk krl krr krt kru ktc kte ktk ktl ktr ktt ktu kuc kud kue kuk kul kur kut kuu lcc lcd lce lck lcl lcr lct lcu ldc ldd lde ldk ldl ldr ldt ldu lec led lee lek lel ler let leu lkl lkr lkt llc lld lle llk lll llr llt llu lrc lrd lrk lrr lrt lru ltc ltd lte ltk ltl ltr ltt ltu luc lud lue luk lul lur lut luu rcc rcd rce rcl rcr rct rcu rdc rdd rde rdl rdr rdt rdu re- rec red ree rek rel rer ret reu rkc rke rkk rkt rku rlc rld rle rll rlr rlt rlu rrc rrd rrk rrl rrr rrt rru rtc rtd rte rtk rtl rtr rtt rtu ruc rud rue ruk rur rut ruu tcc tcd tce tck tcl tcr tct tcu tdc tdd tde tdk tdl tdr tdt tdu te- tec ted tee tek tel ter tet teu tkc tke tkk tkl tkr tkt tlc tld tle tlk tll tlr tlt tlu trc trd tre trk trl trr trt tru ttc ttd tte ttk ttl ttr ttt ttu tuc tud tue tuk tul tur tut tuu ucc ucd uce uck ucl ucr uct ucu udc udd ude udk udl udr udt udu uec ued uee uel uer uet ukc uke ukk ukl ukr uku ulc uld ule ulk ull ulr ult ulu ur- urc urd ure urk url urr urt uru utc utd ute utk utl utr utt utu uuc uue uur uut uuu

c-cd cccc cccl cccu ccdc ccdr cced ccee ccel cclc ccrc ccre ccrl ccrt cctc cctl cctt ccuc ccut cd-e cd-r cddl cddr cdec cder cdre cec- cece cect cedd cede cedt cedu ceec ceel ceke cel- celc cele cell celt cer- cerc cerd cere cerl cert cet- cete ckck ckcl ckdu cker ckrc ckrd clcd cldc cldr clec cled clee clek cler clet cleu clrd cltc clud clue clut crcc crce crcr crdc cre- crec cred cree cret creu crkc crkl crrt crtc crtl crud crue cruk crut ctec ctle ctrc ctrl cucc cuce cuck cude cued cuek cuer cuk- cuke culc culd cule culk cull cult curd cure curl curr curt cut- cutc cute cutt dccc dccl dcct dccu dcrk dctc dddd ddlc ddrc ddre dec- decc decd dece deck decl dect dedd dede dedu deed deek deel deer deet dek- deke deld dele delk dell delt der- derc dere derk derr dete detk detr deue deuk deul deur deut dkdc dred dree drek drel dret drue druk drut druu dtcc dted dtek dtle dtrl duce duck duct dudd dude dudu duel duer duet duke dukt duku dulc dule dull dult dulu dure durk durt duru dute duul duur duut e-cl eccc ecce eccl ecct ecdc ecdl eced eclt ecrc ecrl ecrr ecru ect- ectc eddc edde ede- edel eder edle edru educ edur eede eedu eeee eeke eele eerc eetc eete eetu eked ekek eker eket ekur elce elde eldr elec eled elee elek eler elet elke elle ellu elte elue elul ercc erce erde erec ered erel erer eret erke erld erle erll errc erre ertl ertu eruc erur etcc etec etee etel eter etre ette ettu eucd eude euer eule eur- eurc eure eurt kccc kccd kcck kccl kccr kcct kccu kcdc kcdd kcdr kcdu kcec kced kcee kcel kcet kceu kckc kckk kckl kckr kclc kcle kclk kcll kclr kclt kclu kcrc kcrr kcrt kcru kctc kcte kctu kcue kcuk kcul kdcc kdcd kdce kdcr kddc kddd kddk kddl kddr kdec kdel kdet kdkd kdkk kdkr kdkt kdlc kdld kdll kdlr kdrl kdtd kdtr kduc kdur kdut keck kecr kedc kedd kede kedr kedt keed keek keel keer keet kekc keke kekl keku keld kele kelk kell kelt kelu ker- kerc kere kerk kerl kerr kert keru ket- ketc ketd kete ketk ketr kett ketu keul keur kkcd kkck kkcl kkcr kkct kkdc kkdd kkdl kkdt kked kkkk kklc kkld kkll kkrc kkre kkrk kkrl kkrr kkrt kktc kktk kktl kktu kkut kkuu klcc klcd klce klck klcl klcr kldc kldd klde kldr klec kled klee klek kler klet klkc klkk klkl klkr kllc klle kllk klrc klrd klrk klrr klru kltc kltd kltk kltr kltt klue kluk klur kluu krcc krcd krce krcl krcu krdc krdd krde krdr krdu krec kred kree krek kret kreu krkc krkd krke krkk krkr krku krlc krld krle krlt krrc krre krrk krrl krrr krrt krtc krtk krtr kruc krue kruk krul krur ktcc ktce ktck ktcl ktcr ktdc ktdd ktde ktdk ktdr ktec kted ktee ktek ktel ktkc ktke ktkk ktkr ktkt