-ene c-cd cccc cccf cccl cccs ccdc ccdf ccdn ccdr ccds cced ccee ccel ccfc ccfd ccff ccfl cclc ccls ccnc ccne ccnf ccnr ccns ccrc ccre ccrf ccrl ccrs ccsd ccsf ccsl ccsn ccss cd-e cd-r cdcs cddl cddr cdec cdef cder cdes cdfe cdfs cdls cdnc cdnf cdre cdrs cdss cec- cece cecs cedd cede ceec ceel cees cef- cefc cefn ceke cel- celc cele celf cell cels cen- cend cene cens cer- cerc cerd cere cerf cerl cern cers cesc cese cesr cess cfcf cfcl cfcn cfcs cfds cffr cfln cfls cfnr cfns cfre cfrn cfse cfsl ckck ckcl ckcs cken cker ckfr cklf ckln cknc ckns ckrc ckrd cksl clcd cldc cldr clec cled clee clef clek cler cles clrd clrs clsc cndd cnel cnes cnrc cnrr cnsl cnss crcc crce crcr crdc cre- crec cred cree cren cres crfc crfl crfs crkc crkl crlf crls crne crns crss cscc cscd csce cscf cscl cscr cscs csdn csdr csec csee cser csfc csfr csks csld cslr csne csrc csrd csrs cssd csse cssr dccc dccl dccs dcds dcfc dcfs dcls dcns dcrk dcsc dcss dddd ddes ddlc ddrc ddre ddss dec- decc decd dece deck decl decs dedd dede deed deef deek deel deen deer dees defe deff defn defs dek- deke deks deld dele delf delk dell dels dene denk denn dens der- derc dere derf derk dern derr ders des- desc dese desk dess dfcc dfcs dfds dfer dfrf dkdc dlcs dlrs dnce dncs dner dnrc dnsc dred dree dref drek drel dren dres drfc drrs dscc dscn dscr dscs dsdr dsfc dsls dsrc dsrr dssc dssn e-cl eccc ecce eccl ecdc ecdf ecdl eced ecef eces ecfc ecfr ecfs ecks ecne ecrc ecrf ecrl ecrr ecsc ecse ecss eddc edde edds ede- edel eden eder edes edfl edle ednl edns edrn edss eecs eede eeee eees eefe eefl eefn eeke eeks eele eels eend eens eerc eers eese eesk efen efes effs efke eked ekek eken eker ekes ekfc ekne elce elde eldr elds elec eled elee elef elek elen eler eles elfc elfe elfs elke elks elle ells elne else ence encl encs end- ende ends ened enee enel ener enes enke enkr enls ennc enne enns enrs ense ercc erce erde erdf erds erec ered erel eren erer eres erfc erfs erke erks erld erle erll erne erns errc erre errs erse esce escr escs esdl esds esee esek esel esen eser eses esfs eske esks esne esrd esse essl f--k fccf fcds fces fcnl fcsc fcsl fdlr fece feck fede fedn feds feed feek feel feen feer fees fefc fefe feff feke feld fele felf felk fell fels fend fene fenk fenn fens ferc ferd fere ferk fern ferr fers fese fess ffcc ffee ffff ffrr ffss flcl fldr fled flee flen fler fles flnc fndd fndn fndr fnlc fnrs frcc frcn fred free fren fres frfc frns frsc fscc fsck fsec fsln fssc fssf kccc kccd kcck kccl kccr kcdc kcdd kcdr kcds kcec kced kcee kcel kcfc kcfd kcfl kcfn kckc kckf kckk kckl kckn kckr kclc kcle kclf kclk kcll kcln kclr kcls kcnd kcnr kcns kcrc kcrn kcrr kcrs kcsc kcsd kcse kcsf kcsn kcsr kcss 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 kdls kdnd kdne kdnk kdnn kdnr kdns kdrf kdrl kdrs kdsc kdsd kdsk kdsl kdsn kdsr kdss keck kecr kedc kedd kede kedr keds keed keef keek keel keen keer kees kefc keff kefr kefs kekc keke kekl keks keld kele kelf kelk kell keln ken- kend kene kenk kenl kenn kenr kens ker- kerc kere kerf kerk kerl kern kerr kers kesc kesd kesk kesn kesr kess kfcd kfcf kfcr kfcs kfdn kfed kfel kfer kfff kffk kffn kflc kfld kflf kfll kfln kfls kfnc kfnf kfnk kfnl kfnn kfns kfrc kfrd kfre kfrn kfrr kfrs kfsd kfse kfsk kfsr kkcd kkck kkcl kkcn kkcr kkcs kkdc kkdd kkdl kked kken kkfn kkfr kkfs kkkk kklc kkld kklf kkll kkln kkls kknd kkne kknn kkns kkrc kkre kkrf kkrk kkrl kkrn kkrr kkrs kksd kkse kksf kksn kksr kkss klcc klcd klce klck klcl klcn klcr klcs kldc kldd klde kldn kldr klds klec kled klee klef klek klen kler kles klfc klfd klfe klff klfn klkc klkk klkl klkn klkr klks kllc klle kllk klls klnc klnd klne klnn klrc klrd klrf klrk klrn klrr klrs klsc klsd klse klsf klsn klsr knce knck kncn kncr kndc kndd knde kndf kndk kndl kndn kndr knec kned knee knef knek knel knen knes knfl knfr knkk knlc knlf knlr knls knnd knnk knnr knns knrk knrs knsc knsd knse knsk knsl knsn knsr knss krcc krcd krce krcl krcn krcs krdc krdd krde krdr krds krec kred kree kref krek kren kres krfc krfd krfe krff krfn krfs krkc krkd krke krkk krkn krkr krks krlc krld krle krlf krln krnd krne krnk krnn krrc krre krrf krrk krrl krrn krrr krrs krsc krsd krse krsf krsk krsl krsn krsr krss ksce ksck kscl kscn kscr kscs ksdc ksdk ksdl ksdn ksdr ksds ksec ksed ksee ksek ksel ksen kser ksfc ksfe ksfn ksfr kskd kske kskf kskk kskn kskr ksks kslc ksld ksle kslk ksll ksln kslr ksnc ksnd ksnf ksnk ksnl ksnn ksnr ksns ksrf ksrn ksrr ksrs ksse kssl kssn kssr ksss lccc lcce lccs lcdd lcdr lcds lcer lces lcfc lcfr lcls lcrd lcrl lcrs lcsc lcsd lcsr ldcf ldls ldrs lece leck lede leds leed leef leek leel leen leer lees lefe leff leke lekk leks lele lell lend lene lenk lenn lens lerc lerd lere lerk lern lese lesk less lfcc lfrd lkfs lkrs llcc llcs lldc llds llef lles llks lllc llll lncr lndn lner lnes lnfs lnnk lrcs lrdd lrds lrfc lrne lrrc lrrr lrse ls-r lscs lsds lses lsfc lsrc lssr nccc nccf nccn