-er c-- ccc ccd cce cck ccl ccn ccr ccu cdc cdd cde cdk cdl cdn cdr cdu ce- cec ced cee cek cel cen cer ceu ckc ckd cl- clc cld cle clk cll cln clr clu cn- cnc cnd cne cnl cnn cnr cnu crc crd cre crk crl crn crr cru cuc cud cue cuk cul cun cur cuu dcc dcd dce dck dcl dcn dcr dcu ddc ddd dde ddk ddl ddn ddr ddu de- dec ded dee dek del den der deu dkc dke dkk dkl dkr dku dl- dlc dld dle dlk dll dlr dlu dnc dnd dne dnk dnl dnn dnr drc drd dre drk drl drn drr dru duc dud due duk dul dun dur ec- ecc ecd ece eck ecl ecn ecr ecu ed- edc edd ede edk edl edn edr edu eec eed eee eek eel een eer ekc ekd eke ekl ekr eku elc eld ele elk ell eln elr elu en- enc end ene enk enl enn enr enu erc erd ere erk erl ern err eru eu- euc eud eue eul eun eur kcc kcd kce kck kcl kcn kcr kcu kdc kde kdk kdl kdr kdu ke- kec ked kee kek kel ken ker kkc kke kkk kkl kkn kkr kku kl- klc kld klr klu kn- knc knd kne knk knl knn knr knu krc krd krk krl krn krr kru kuc kud kue kuk kul kun kur kuu lcc lcd lce lck lcl lcn lcr lcu ldc ldd lde ldk ldl ldn ldr ldu lec led lee lek lel len ler leu lkl lkr llc lld lle llk lll lln llr llu lnc lnd lne lnk lnl lnn lnr lnu lrc lrd lrk lrn lrr lru luc lud lue luk lul lun lur luu ncc ncd nce nck ncl ncn ncr ncu ndc ndd nde ndk ndl ndn ndr ndu ne- nec ned nee nek nel nen ner neu nkc nke nkk nkn nkr nku nlc nld nle nlk nll nln nlr nlu nnc nne nnk nnl nnn nnu nrc nrd nre nrk nrl nrn nrr nru nuc nud nue nuk nul nun nur nuu rcc rcd rce rcl rcn rcr rcu rdc rdd rde rdl rdn rdr rdu re- rec red ree rek rel ren rer reu rkc rke rkk rku rlc rld rle rll rln rlr rlu rnc rnd rnn rnr rnu rrc rrd rrk rrl rrn rrr rru ruc rud rue ruk run rur ruu ucc ucd uce uck ucl ucn ucr ucu udc udd ude udk udl udn udr udu uec ued uee uel uen uer ukc uke ukk ukl ukn ukr uku ulc uld ule ulk ull uln ulr ulu un- unc und une unk unl unn unr unu ur- urc urd ure urk url urn urr uru uuc uue uun uur uuu

-ene c-cd cccc cccl cccu ccdc ccdn ccdr cced ccee ccel cclc ccnc ccne ccnr ccnu ccrc ccre ccrl ccuc cd-e cd-r cddl cddr cdec cder cdnc cdre cec- cece cedd cede cedu ceec ceel ceke cel- celc cele cell cen- cend cene cer- cerc cerd cere cerl cern ckck ckcl ckdu cken cker ckln cknc ckrc ckrd clcd cldc cldr clec cled clee clek cler cleu clrd clud clue clun cndd cnel cnrc cnrr crcc crce crcr crdc cre- crec cred cree cren creu crkc crkl crne crud crue cruk crun cucc cuce cuck cucn cude cued cuek cuer cuk- cuke culc culd cule culk cull cund cune curd cure curl curn curr dccc dccl dccu dcrk dddd ddlc ddrc ddre dec- decc decd dece deck decl dedd dede dedu deed deek deel deen deer dek- deke deld dele delk dell dene denk denn denu der- derc dere derk dern derr deue deuk deul deur dkdc dnce dner dnrc dnuk dred dree drek drel dren drue druk druu duce duck dudd dude dudu duel duer duke duku dulc dule dull dulu dunc dune dunk dunn dure durk durn duru duul duur e-cl eccc ecce eccl ecdc ecdl eced ecne ecrc ecrl ecrr ecru eddc edde ede- edel eden eder edle ednl edrn edru educ edun edur eede eedu eeee eeke eele eend eerc eked ekek eken eker ekne ekur elce elde eldr elec eled elee elek elen eler elke elle ellu elne elue elul ence encl end- ende endu ened enee enel ener enke enkr ennc enne ennu enue enur ercc erce erde erec ered erel eren erer erke erld erle erll erne errc erre eruc erur eucd eude euer eule eur- eurc eure kccc kccd kcck kccl kccr kccu kcdc kcdd kcdr kcdu kcec kced kcee kcel kceu kckc kckk kckl kckn kckr kclc kcle kclk kcll kcln kclr kclu kcnd kcnr kcrc kcrn kcrr kcru kcue kcuk kcul kdcc kdcd kdce kdcr kddc kddd kddk kddl kddr kdec kdel kden kdkd kdkk kdkn kdkr kdlc kdld kdll kdlr kdnd kdne kdnk kdnn kdnr kdrl kduc kdun kdur keck kecr kedc kedd kede kedr keed keek keel keen keer kekc keke kekl keku keld kele kelk kell keln kelu ken- kend kene kenk kenl kenn kenr kenu ker- kerc kere kerk kerl kern kerr keru keul keun keur kkcd kkck kkcl kkcn kkcr kkdc kkdd kkdl kked kken kkkk kklc kkld kkll kkln kknd kkne kknn kknu kkrc kkre kkrk kkrl kkrn kkrr kkuu klcc klcd klce klck klcl klcn klcr kldc kldd klde kldn kldr klec kled klee klek klen kler klkc klkk klkl klkn klkr kllc klle kllk klnc klnd klne klnn klrc klrd klrk klrn klrr klru klue kluk klun klur kluu knce knck kncn kncr kncu kndc kndd knde kndk kndl kndn kndr kndu knec kned knee knek knel knen kneu knkk knlc knlr knnd knnk knnr knrk knud knue knuk knur krcc krcd krce krcl krcn krcu krdc krdd krde krdr krdu krec kred kree krek kren kreu krkc krkd krke krkk krkn krkr krku krlc krld krle krln krnd krne krnk krnn krnu krrc krre krrk krrl krrn