-er c-- ccc ccd cce cck ccl ccr ccs cdc cdd cde cdk cdl cdr cds ce- cec ced cee cek cel cer ces ckc ckd cks cl- clc cld cle clk cll clr cls crc crd cre crk crl crr crs csc csd cse csk csl csr css dcc dcd dce dck dcl dcr dcs ddc ddd dde ddk ddl ddr dds de- dec ded dee dek del der des dkc dke dkk dkl dkr dks dl- dlc dld dle dlk dll dlr dls drc drd dre drk drl drr drs dsc dsd dse dsk dsl dsr dss ec- ecc ecd ece eck ecl ecr ecs ed- edc edd ede edk edl edr eds eec eed eee eek eel eer ees ekc ekd eke ekl ekr eks elc eld ele elk ell elr els erc erd ere erk erl err ers es- esc esd ese esk esl esr ess kcc kcd kce kck kcl kcr kcs kdc kde kdk kdl kdr kds ke- kec ked kee kek kel ker kes kkc kke kkk kkl kkr kks kl- klc kld klr kls krc krd krk krl krr krs ksc ksd kse ksk ksl ksr kss lcc lcd lce lck lcl lcr lcs ldc ldd lde ldk ldl ldr lds lec led lee lek lel ler les lkl lkr lks llc lld lle llk lll llr lls lrc lrd lrk lrr lrs lsc lsd lse lsk lsl lsr lss rcc rcd rce rcl rcr rcs rdc rdd rde rdl rdr rds re- rec red ree rek rel rer res rkc rke rkk rks rlc rld rle rll rlr rls rrc rrd rrk rrl rrr rrs rsc rsd rse rsk rsl rsr rss scc scd sce sck scl scr scs sdc sdd sde sdk sdl sdr sds se- sec sed see sek sel ser ses sk- skc skd ske skk skl skr sks slc sld sle slk sll slr sls sr- src srd sre srk srl srr srs ss- ssc ssd sse ssk ssl ssr sss

c-cd cccc cccl cccs ccdc ccdr ccds cced ccee ccel cclc ccls ccrc ccre ccrl ccrs ccsd ccsl ccss cd-e cd-r cdcs cddl cddr cdec cder cdes cdls cdre cdrs cdss cec- cece cecs cedd cede ceec ceel cees ceke cel- celc cele cell cels cer- cerc cerd cere cerl cers cesc cese cesr cess ckck ckcl ckcs cker ckrc ckrd cksl clcd cldc cldr clec cled clee clek cler cles clrd clrs clsc crcc crce crcr crdc cre- crec cred cree cres crkc crkl crls crss cscc cscd csce cscl cscr cscs csdr csec csee cser csks csld cslr csrc csrd csrs cssd csse cssr dccc dccl dccs dcds dcls dcrk dcsc dcss dddd ddes ddlc ddrc ddre ddss dec- decc decd dece deck decl decs dedd dede deed deek deel deer dees dek- deke deks deld dele delk dell dels der- derc dere derk derr ders des- desc dese desk dess dkdc dlcs dlrs dred dree drek drel dres drrs dscc dscr dscs dsdr dsls dsrc dsrr dssc e-cl eccc ecce eccl ecdc ecdl eced eces ecks ecrc ecrl ecrr ecsc ecse ecss eddc edde edds ede- edel eder edes edle edss eecs eede eeee eees eeke eeks eele eels eerc eers eese eesk eked ekek eker ekes elce elde eldr elds elec eled elee elek eler eles elke elks elle ells else ercc erce erde erds erec ered erel erer eres erke erks erld erle erll errc erre errs erse esce escr escs esdl esds esee esek esel eser eses eske esks esrd esse essl kccc kccd kcck kccl kccr kcdc kcdd kcdr kcds kcec kced kcee kcel kckc kckk kckl kckr kclc kcle kclk kcll kclr kcls kcrc kcrr kcrs kcsc kcsd kcse kcsr kcss kdcc kdcd kdce kdcr kddc kddd kddk kddl kddr kdec kdel kdkd kdkk kdkr kdlc kdld kdll kdlr kdls kdrl kdrs kdsc kdsd kdsk kdsl kdsr kdss keck kecr kedc kedd kede kedr keds keed keek keel keer kees kekc keke kekl keks keld kele kelk kell ker- kerc kere kerk kerl kerr kers kesc kesd kesk kesr kess kkcd kkck kkcl kkcr kkcs kkdc kkdd kkdl kked kkkk kklc kkld kkll kkls kkrc kkre kkrk kkrl kkrr kkrs kksd kkse kksr kkss klcc klcd klce klck klcl klcr klcs kldc kldd klde kldr klds klec kled klee klek kler kles klkc klkk klkl klkr klks kllc klle kllk klls klrc klrd klrk klrr klrs klsc klsd klse klsr krcc krcd krce krcl krcs krdc krdd krde krdr krds krec kred kree krek kres krkc krkd krke krkk krkr krks krlc krld krle krrc krre krrk krrl krrr krrs krsc krsd krse krsk krsl krsr krss ksce ksck kscl kscr kscs ksdc ksdk ksdl ksdr ksds ksec ksed ksee ksek ksel kser kskd kske kskk kskr ksks kslc ksld ksle kslk ksll kslr ksrr ksrs ksse kssl kssr ksss lccc lcce lccs lcdd lcdr lcds lcer lces lcls lcrd lcrl lcrs lcsc lcsd lcsr ldls ldrs lece leck lede leds leed leek leel leer lees leke lekk leks lele lell lerc lerd lere lerk lese lesk less lkrs llcc llcs lldc llds lles llks lllc llll lrcs lrdd lrds lrrc lrrr lrse ls-r lscs lsds lses lsrc lssr rccc rccs rcdc rcde rcds rcle rcls rcrd rcsc rcsd rcsl rcss rder recc recd rece reck recr recs redc redd rede redl redr reds reed reek reel rees reke reks reld rele rell rels rerd rere rers rese ress rkss rlcs rlds rlee rlls rred rrle rrrr rscc rscs rsdd rsdl rsds rsee rslc rsre rssl sccc scce sccl sccs scdc scds scec scee scel scer sck- sckl scl- sclc sclk scls scr- scrc scre scrs scsc scsd scsl scsr sdcc sddc sdds sder sdes sdlc sdls sdrc sdrs sdsc sdsl sdss se-c se-d se-e se-k se-s sec- secc secd sece seck secr secs sede seds seec seed seek seel seer sees seke sekk seld sele selk sell sels serc serd sere serk serr sers sesc sese sess