c-cd cccc cccf cccl cccs cccu ccdc ccdf ccdr ccds cced ccee ccel ccfc ccfd ccff ccfl cclc ccls ccrc ccre ccrf ccrl ccrs ccsd ccsf ccsl ccss ccuc ccus cd-e cd-r cdcs cddl cddr cdec cdef cder cdes cdfe cdfs cdls cdre cdrs cdss cec- cece cecs cedd cede cedu ceec ceel cees cef- cefc cel- celc cele celf cell cels cer- cerc cerd cere cerf cerl cers cesc cese cesr cess cfcf cfcl cfcs cfds cffr cfls cfre cfse cfsl clcd cldc cldr clec cled clee clef cler cles cleu clrd clrs clsc clud clue crcc crce crcr crdc cre- crec cred cree cres creu crfc crfl crfs crlf crls crss crud crue crus cscc cscd csce cscf cscl cscr cscs csdr csec csee cser csfc csfr csld cslr cslu csrc csrd csrs cssd csse cssr csuf csur csus cucc cuce cude cuds cued cuer cues cufc cuff culc culd cule cull culs curd cure curf curl curr curs cusd cuss cusu dccc dccl dccs dccu dcds dcfc dcfs dcls dcsc dcss dddd ddes ddlc ddrc ddre ddss dec- decc decd dece decl decs dedd dede dedu deed deef deel deer dees defe deff defs deld dele delf dell dels der- derc dere derf derr ders des- desc dese dess desu deue deul deur deus dfcc dfcs dfcu dfds dfer dfrf dlcs dlrs dred dree dref drel dres drfc drrs drue drus druu dscc dscr dscs dsdr dsfc dsls dsrc dsrr dssc duce ducs dudd dude duds dudu duel duer dues dufc duff dufu dulc dule dull dulu dure duru duse duul duur e-cl eccc ecce eccl ecdc ecdf ecdl eced ecef eces ecfc ecfr ecfs ecrc ecrf ecrl ecrr ecru ecsc ecse ecss ecsu ecus eddc edde edds ede- edel eder edes edfl edfu edle edru edss educ edur eecs eede eedu eeee eees eefe eefl eele eels eerc eers eese efes effs elce elde eldr elds elec eled elee elef eler eles elfc elfe elfs elle ells ellu else elsu elue elul elus ercc erce erde erdf erds erec ered erel erer eres erfc erfs erld erle erll errc erre errs erse eruc erur erus esce escr escs escu esdl esds esdu esee esel eser eses esfs esrd esse essl essu esuf esus eucd eude euer eufc eule eur- eurc eure euse fccf fcds fces fcsc fcsl fdlr fece fede feds feed feel feer fees fefc fefe feff feld fele felf fell fels ferc ferd fere ferr fers feru fese fess feud feus ffcc ffee ffff ffrr ffss flcl fldr fled flee fler fles flud flue fluf flur flus frcc fred free fres frfc frsc frue fscc fsec fssc fssf fuc- fudd fude fuel fufc fuff fufu fule full fuls fulu fur- fure furl furr furs fusc fusd fuse fuss fusu lccc lcce lccs lcdd lcdr lcds lcer lces lcfc lcfr lcls lcrd lcrl lcrs lcsc lcsd lcsr ldcf ldls ldrs le-u lece lede leds leed leef leel leer lees lefe leff lele lell lelu lerc lerd lere lese less lesu leuc leud leur lfcc lfrd llcc llcs lldc llds llef lles lleu lllc llll llud lrcs lrdd lrds lrfc lrrc lrrr lrse ls-r lscs lsds lses lsfc lsrc lssr luce lucs ludd lude lued luef luer lues lufe luff lufu lule lull lulu lurd lure lurs luse luss rccc rccs rcdc rcde rcds rcfc rcle rcls rcrd rcsc rcsd rcsl rcss rder recc recd rece recr recs recu redc redd rede redl redr reds redu reed reef reel rees refd refe reff refl refr refs refu reld rele rell rels rerd rere rers reru rese ress reue reuf reul reus reuu rfds rfef rffc rffl rlcs rlds rlee rlef rleu rlls rred rrfc rrle rrrr rscc rscs rsdd rsdl rsds rsee rsfc rslc rsre rssl ruce rudd rude rudl ruds rued ruel ruer rues rufc rufe ruff rule rull rurc rurd rure rurs ruru ruse russ rusu ruud sccc scce sccl sccs scdc scdf scds scec scee scel scer scfc scfe scl- sclc scls scr- scrc scre scrs scsc scsd scsl scsr scsu scud scul scur sdcc sddc sdds sdef sder sdes sdfc sdlc sdls sdrc sdrs sdsc sdsf sdsl sdss sdsu se-c se-d se-e se-f se-s se-u sec- secc secd sece secr secs secu sede seds seec seed seef seel seer sees seeu seff sefl seld sele self sell sels selu serc serd sere serf serr sers seru sesc sese sess seul seur sfcc sfcs sfdc sfer sffc sflc sfls sfrc sfss sfsu slcc slcd slcu slds sled slee sler sles slrc slre slrs slsc slsu sluc slud slue slur srcc srde srec sres srfc srsd sscc ssce sscs ssdc ssdd ssdf ssec ssee sses ssfc ssfl sslc ssle ssrc ssrl ssrs sssc sssf ssss suc- succ sucr sucs sudd sude suds sued suee suel suer sues sueu suf- sufc suff sufr sufs sufu sul- sulc suld sule sulf sull sulu sur- surc surd sure surf surr surs suru sus- susd suse suss susu suus ucdc ucdd ucel uces ucrc ucsc ucsd ucsf ucsu udds udel uder udsd udsl uele uell uers uess ufcu ufel ufer uffe ulcc ulde ulee ules ulfe ulle ullr ulul ulus urde urds urdu ure- ured ures urfe urff urle urls urre urse urss ursu urur urus uscc usce uscf uscs usdc usde usdf usdl usds used usee usef usel user uses usfc usfl usfs usle uslu ussc usse ussf ussr usss ussu usul usus uulu uuuu