-ene c-cd cccc cccs ccdc ccdn ccdr ccds cced ccee ccnc ccne ccnr ccns ccrc ccre ccrs ccsd ccsn ccss cd-e cd-r cdcs cddr cdec cder cdes cdnc cdre cdrs cdss cec- cece cecs cedd cede ceec cees ceke cen- cend cene cens cer- cerc cerd cere cern cers cesc cese cesr cess ckck ckcs cken cker cknc ckns ckrc ckrd cndd cnes cnrc cnrr cnss crcc crce crcr crdc cre- crec cred cree cren cres crkc crne crns crss cscc cscd csce cscr cscs csdn csdr csec csee cser csks csne csrc csrd csrs cssd csse cssr dccc dccs dcds dcns dcrk dcsc dcss dddd ddes ddrc ddre ddss dec- decc decd dece deck decs dedd dede deed deek deen deer dees dek- deke deks dene denk denn dens der- derc dere derk dern derr ders des- desc dese desk dess dkdc dnce dncs dner dnrc dnsc dred dree drek dren dres drrs dscc dscn dscr dscs dsdr dsrc dsrr dssc dssn eccc ecce ecdc eced eces ecks ecne ecrc ecrr ecsc ecse ecss eddc edde edds ede- eden eder edes edns edrn edss eecs eede eeee eees eeke eeks eend eens eerc eers eese eesk eked ekek eken eker ekes ekne ence encs end- ende ends ened enee ener enes enke enkr ennc enne enns enrs ense ercc erce erde erds erec ered eren erer eres erke erks erne erns errc erre errs erse esce escr escs esds esee esek esen eser eses eske esks esne esrd esse kccc kccd kcck kccr kcdc kcdd kcdr kcds kcec kced kcee kckc kckk kckn kckr kcnd kcnr kcns kcrc kcrn kcrr kcrs kcsc kcsd kcse kcsn kcsr kcss kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kden kdkd kdkk kdkn kdkr kdnd kdne kdnk kdnn kdnr kdns kdrs kdsc kdsd kdsk kdsn kdsr kdss keck kecr kedc kedd kede kedr keds keed keek keen keer kees kekc keke keks ken- kend kene kenk kenn kenr kens ker- kerc kere kerk kern kerr kers kesc kesd kesk kesn kesr kess kkcd kkck kkcn kkcr kkcs kkdc kkdd kked kken kkkk kknd kkne kknn kkns kkrc kkre kkrk kkrn kkrr kkrs kksd kkse kksn kksr kkss knce knck kncn kncr kndc kndd knde kndk kndn kndr knec kned knee knek knen knes knkk knnd knnk knnr knns knrk knrs knsc knsd knse knsk knsn knsr knss krcc krcd krce krcn krcs krdc krdd krde krdr krds krec kred kree krek kren kres krkc krkd krke krkk krkn krkr krks krnd krne krnk krnn krrc krre krrk krrn krrr krrs krsc krsd krse krsk krsn krsr krss ksce ksck kscn kscr kscs ksdc ksdk ksdn ksdr ksds ksec ksed ksee ksek ksen kser kskd kske kskk kskn kskr ksks ksnc ksnd ksnk ksnn ksnr ksns ksrn ksrr ksrs ksse kssn kssr ksss nccc nccn nccr nccs ncdc ncdn ncdr ncds ncec nced ncee ncen ncer nces ncnc ncnd ncrc ncre ncsc ncse ncss ndcc ndcs ndde nder ndrc ndre ndss necc nece neck necr necs nedc nedd nede neds need neen neer nees neke nend nene nens nerc nerd nere nerk nerr ners nesc nese nesn nesr ness nnes nnnn nnss nrcs nrdc nrds nren nrrc nrrd nrsc nscc nscd nscs nsds nsec nser nskk nsnr nsrc nsrd nssc nsse nssr nsss rccc rccs rcdc rcde rcds rcnr rcrd rcsc rcsd rcss rder recc recd rece reck recr recs redc redd rede redr reds reed reek reen rees reke reks rend rene renk renn rens rerd rere rers rese resn ress rkss rncs rndc rnds rred rrrr rscc rscn rscs rsdd rsds rsee rsnn rsnr rsre sccc scce sccs scdc scds scec scee scer sck- scnd scnr scr- scrc scre scrn scrs scsc scsd scsn scsr sdcc sddc sdds sder sdes sdrc sdrs sdsc sdss se-c se-d se-e se-k se-n se-s sec- secc secd sece seck secn secr secs sede seds seec seed seek seen seer sees seke sekk send sene senn senr sens serc serd sere serk sern serr sers sesc sese sess sked skee sken sker skes skn- sksd skss sncc sned snee sner snes snns snrk snrs snsd srcc srde srec sres srnn srsd sscc ssce sscs ssdc ssdd ssec ssee sses ssns ssrc ssrs sssc ssss