-ene c-cd cccc cccf cccl ccdc ccdf ccdn ccdr cced ccee ccel ccfc ccfd ccff ccfl cclc ccnc ccne ccnf ccnr ccrc ccre ccrf ccrl cd-e cd-r cddl cddr cdec cdef cder cdfe cdnc cdnf cdre cec- cece cedd cede ceec ceel cef- cefc cefn ceke cel- celc cele celf cell cen- cend cene cer- cerc cerd cere cerf cerl cern cfcf cfcl cfcn cffr cfln cfnr cfre cfrn ckck ckcl cken cker ckfr cklf ckln cknc ckrc ckrd clcd cldc cldr clec cled clee clef clek cler clrd cndd cnel cnrc cnrr crcc crce crcr crdc cre- crec cred cree cren crfc crfl crkc crkl crlf crne dccc dccl dcfc dcrk dddd ddlc ddrc ddre dec- decc decd dece deck decl dedd dede deed deef deek deel deen deer defe deff defn dek- deke deld dele delf delk dell dene denk denn der- derc dere derf derk dern derr dfcc dfer dfrf dkdc dnce dner dnrc dred dree dref drek drel dren drfc e-cl eccc ecce eccl ecdc ecdf ecdl eced ecef ecfc ecfr ecne ecrc ecrf ecrl ecrr eddc edde ede- edel eden eder edfl edle ednl edrn eede eeee eefe eefl eefn eeke eele eend eerc efen efke eked ekek eken eker ekfc ekne elce elde eldr elec eled elee elef elek elen eler elfc elfe elke elle elne ence encl end- ende ened enee enel ener enke enkr ennc enne ercc erce erde erdf erec ered erel eren erer erfc erke erld erle erll erne errc erre f--k fccf fcnl fdlr fece feck fede fedn feed feek feel feen feer fefc fefe feff feke feld fele felf felk fell fend fene fenk fenn ferc ferd fere ferk fern ferr ffcc ffee ffff ffrr flcl fldr fled flee flen fler flnc fndd fndn fndr fnlc frcc frcn fred free fren frfc kccc kccd kcck kccl kccr kcdc kcdd kcdr kcec kced kcee kcel kcfc kcfd kcfl kcfn kckc kckf kckk kckl kckn kckr kclc kcle kclf kclk kcll kcln kclr kcnd kcnr kcrc kcrn kcrr kdcc kdcd kdce kdcr kddc kddd kddf kddk kddl kddr kdec kdef kdel kden kdfc kdfn kdfr kdkd kdkk kdkn kdkr kdlc kdld kdlf kdll kdlr kdnd kdne kdnk kdnn kdnr kdrf kdrl keck kecr kedc kedd kede kedr keed keef keek keel keen keer kefc keff kefr kekc keke kekl keld kele kelf kelk kell keln ken- kend kene kenk kenl kenn kenr ker- kerc kere kerf kerk kerl kern kerr kfcd kfcf kfcr kfdn kfed kfel kfer kfff kffk kffn kflc kfld kflf kfll kfln kfnc kfnf kfnk kfnl kfnn kfrc kfrd kfre kfrn kfrr kkcd kkck kkcl kkcn kkcr kkdc kkdd kkdl kked kken kkfn kkfr kkkk kklc kkld kklf kkll kkln kknd kkne kknn kkrc kkre kkrf kkrk kkrl kkrn kkrr klcc klcd klce klck klcl klcn klcr kldc kldd klde kldn kldr klec kled klee klef klek klen kler klfc klfd klfe klff klfn klkc klkk klkl klkn klkr kllc klle kllk klnc klnd klne klnn klrc klrd klrf klrk klrn klrr knce knck kncn kncr kndc kndd knde kndf kndk kndl kndn kndr knec kned knee knef knek knel knen knfl knfr knkk knlc knlf knlr knnd knnk knnr knrk krcc krcd krce krcl krcn krdc krdd krde krdr krec kred kree kref krek kren krfc krfd krfe krff krfn krkc krkd krke krkk krkn krkr krlc krld krle krlf krln krnd krne krnk krnn krrc krre krrf krrk krrl krrn krrr lccc lcce lcdd lcdr lcer lcfc lcfr lcrd lcrl ldcf lece leck lede leed leef leek leel leen leer lefe leff leke lekk lele lell lend lene lenk lenn lerc lerd lere lerk lern lfcc lfrd llcc lldc llef lllc llll lncr lndn lner lnnk lrdd lrfc lrne lrrc lrrr nccc nccf nccn nccr ncdc ncdn ncdr ncec nced ncee ncef ncel ncen ncer ncfc ncfe nclc ncln nclr ncnc ncnd ncrc ncre ndcc ndde nder ndrc ndre ndrf necc nece neck necr nedc nedd nede need neef neel neen neer nefd nefe neff nefl neke nelc neld nele nelf nell nend nene nerc nerd nere nerf nerk nerl nerr nfdc nfer nfff nfld nkfc nkrf nlcc nlcf nlec nler nnnn nrdc nren nrfc nrrc nrrd nrrl rccc rcdc rcde rcfc rcle rcnl rcnr rcrd rder recc recd rece reck recr redc redd rede redl redr reed reef reek reel reen refd refe reff refl refn refr reke reld rele rell rend rene renk renn rerd rere rfef rffc rffl rkkf rlee rlef rndc rndf rnld rred rrfc rrle rrrr