-er c-- ccc cce cck ccl ccr ccs ccu ce- cec cee cek cel cer ces ceu ckc cks cl- clc cle clk cll clr cls clu crc cre crk crl crr crs cru csc cse csk csl csr css csu cuc cue cuk cul cur cus cuu ec- ecc ece eck ecl ecr ecs ecu eec eee eek eel eer ees ekc eke ekl ekr eks eku elc ele elk ell elr els elu erc ere erk erl err ers eru es- esc ese esk esl esr ess esu eu- euc eue eul eur eus kcc kce kck kcl kcr kcs kcu ke- kec kee kek kel ker kes kkc kke kkk kkl kkr kks kku kl- klc klr kls klu krc krk krl krr krs kru ksc kse ksk ksl ksr kss ksu kuc kue kuk kul kur kus kuu lcc lce lck lcl lcr lcs lcu lec lee lek lel ler les leu lkl lkr lks llc lle llk lll llr lls llu lrc lrk lrr lrs lru lsc lse lsk lsl lsr lss lsu luc lue luk lul lur lus luu rcc rce rcl rcr rcs rcu re- rec ree rek rel rer res reu rkc rke rkk rks rku rlc rle rll rlr rls rlu rrc rrk rrl rrr rrs rru rsc rse rsk rsl rsr rss rsu ruc rue ruk rur rus ruu scc sce sck scl scr scs scu se- sec see sek sel ser ses seu sk- skc ske skk skl skr sks sku slc sle slk sll slr sls slu sr- src sre srk srl srr srs ss- ssc sse ssk ssl ssr sss ssu suc sue suk sul sur sus suu ucc uce uck ucl ucr ucs ucu uec uee uel uer ues ukc uke ukk ukl ukr uku ulc ule ulk ull ulr uls ulu ur- urc ure urk url urr urs uru usc use usk usl usr uss usu uuc uue uur uus uuu

cccc cccl cccs cccu ccee ccel cclc ccls ccrc ccre ccrl ccrs ccsl ccss ccuc ccus cec- cece cecs ceec ceel cees ceke cel- celc cele cell cels cer- cerc cere cerl cers cesc cese cesr cess ckck ckcl ckcs cker ckrc cksl clec clee clek cler cles cleu clrs clsc clue crcc crce crcr cre- crec cree cres creu crkc crkl crls crss crue cruk crus cscc csce cscl cscr cscs csec csee cser csks cslr cslu csrc csrs csse cssr csur csus cucc cuce cuck cuek cuer cues cuk- cuke culc cule culk cull culs cure curl curr curs cusk cuss cusu e-cl eccc ecce eccl eces ecks ecrc ecrl ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eeke eeks eele eels eerc eers eese eesk ekek eker ekes ekur elce elec elee elek eler eles elke elks elle ells ellu else elsu elue elul elus ercc erce erec erel erer eres erke erks erle erll errc erre errs erse eruc erur erus esce escr escs escu esee esek esel eser eses eske esks esku esse essl essu esus euer eule eur- eurc eure euse kccc kcck kccl kccr kccu kcec kcee kcel kceu kckc kckk kckl kckr kclc kcle kclk kcll kclr kcls kclu kcrc kcrr kcrs kcru kcsc kcse kcsr kcss kcsu kcue kcuk kcul keck kecr keek keel keer kees kekc keke kekl keks keku kele kelk kell kelu ker- kerc kere kerk kerl kerr kers keru kesc kesk kesr kess keul keur keus kkck kkcl kkcr kkcs kkkk kklc kkll kkls kkrc kkre kkrk kkrl kkrr kkrs kkse kksr kkss kksu kkus kkuu klcc klce klck klcl klcr klcs klec klee klek kler kles klkc klkk klkl klkr klks kllc klle kllk klls klrc klrk klrr klrs klru klsc klse klsr klsu klue kluk klur kluu krcc krce krcl krcs krcu krec kree krek kres kreu krkc krke krkk krkr krks krku krlc krle krrc krre krrk krrl krrr krrs krsc krse krsk krsl krsr krss krsu kruc krue kruk krul krur ksce ksck kscl kscr kscs kscu ksec ksee ksek ksel kser kske kskk kskr ksks ksku kslc ksle kslk ksll kslr kslu ksrr ksrs ksse kssl kssr ksss kssu ksue ksuu kucc kuce kucr kuek kuel kues kueu kuke kukk kukl kuks kuku kule kull kulu kure kurk kurl kurr kurs kuru kusc kusu kuuk kuul kuur kuuu lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr le-u lece leck leek leel leer lees leke lekk leks lele lell lelu lerc lere lerk lese lesk less lesu leuc leuk leur lkrs llcc llcs lles lleu llks lllc llll lrcs lrrc lrrr lrse ls-r lscs lses lsrc lssr luce luck lucs luer lues luke lule lull lulu lure lurk lurs luse lusk luss luuk rccc rccs rcle rcls rcsc rcsl rcss recc rece reck recr recs recu reek reel rees reke reks rele rell rels rere rers reru rese ress reue reuk reul reus reuu rkss rlcs rlee rleu rlls rrle rrrr rscc rscs rsee rslc rsre rssl ruce ruck ruel ruer rues ruke rukk ruku rule rulk rull rurc rure rurs ruru ruse rusk russ rusu sccc scce sccl sccs scec scee scel scer sck- sckl scl- sclc sclk scls scr- scrc scre scrs scsc scsl scsr scsu scul scur se-c se-e se-k se-s se-u sec- secc sece seck secr secs secu seec seek seel seer sees seeu seke sekk seku sele selk sell sels selu serc sere serk serr sers seru sesc sese sess seul seur skee skel sker skes skss skue skul skur slcc slcu slee sler sles slrc slre slrs slsc slsu sluc slue slur srcc srec sres sscc ssce sscs ssec ssee sses sslc ssle ssrc ssrl ssrs sssc ssss suc- succ suck sucr sucs suee suel suer sues sueu suke suks suku sul- sulc sule sulk sull sulu sur- surc sure surr surs suru sus- suse susk suss susu suus ucel uces ucrc ucsc ucsu uele uell uers uess ukcc ukek ukes ukeu ukrc uksc ukur ulcc ulee