-er -ic c-- ccc cce cci cck ccr ccs ccu ce- cec cee cei cek cer ces ceu ci- cic cie cii cik cir cis ciu ckc cki cks crc cre cri crk crr crs cru csc cse csi csk csr css csu cuc cue cui cuk cur cus cuu ec- ecc ece eci eck ecr ecs ecu eec eee eek eer ees eic eie eii eik eir eis eiu ekc eke eki ekr eks eku erc ere eri erk err ers eru es- esc ese esi esk esr ess esu eu- euc eue eui eur eus icc ice ici ick icr ics icu ie- iec iee iei iek ier ies iic iie iii iir iis iiu ikc ike iki ikk ikr iks iku ir- irc ire iri irk irr irs iru is- isc ise isi isk isr iss isu iu- iuc iue iui iur ius kcc kce kci kck kcr kcs kcu ke- kec kee kei kek ker kes kic kie kii kik kir kis kiu kkc kke kki kkk kkr kks kku krc kri krk krr krs kru ksc kse ksi ksk ksr kss ksu kuc kue kui kuk kur kus kuu rcc rce rci rcr rcs rcu re- rec ree rei rek rer res reu ric rie rii rik rir ris rkc rke rkk rks rku rrc rri rrk rrr rrs rru rsc rse rsi rsk rsr rss rsu ruc rue rui ruk rur rus ruu scc sce sci sck scr scs scu se- sec see sei sek ser ses seu sic sie sii sik sir sis siu sk- skc ske ski skk skr sks sku sr- src sre sri srk srr srs ss- ssc sse ssi ssk ssr sss ssu suc sue sui suk sur sus suu ucc uce uci uck ucr ucs ucu uec uee uei uer ues uic uie uii uir uis uiu ukc uke uki ukk ukr uku ur- urc ure uri urk urr urs uru usc use usi usk usr uss usu uuc uue uur uus uuu

cccc ccci cccs cccu ccee ccic ccii ccir ccis ccrc ccre ccri ccrs ccsi ccss ccuc ccus cec- cece ceci cecs ceec cees ceke cer- cerc cere ceri cers cesc cese cesi cesr cess ceui cicc cici cicr cics cicu ciee cier cies ciii ciis cikr circ cire ciri cirk cirr cirs cis- cisc cise cisk cisr ciss ciuc cius ckck ckcs cker ckrc crcc crce crcr cre- crec cree crei cres creu cric crie crik cris criu crkc crss crue cruk crus cscc csce csci cscr cscs csec csee cser csik csir csis csks csrc csrs csse cssr csur csus cucc cuce cuci cuck cuek cuer cues cui- cuir cuis cuk- cuke cure curi curr curs cusk cuss cusu eccc ecce ecci eces ecis ecks ecrc ecri ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eeke eeks eerc eers eese eesi eesk eick eics eiec eiei eier eies eike eiki eiks eire eirs eise eisk eiss ekek eker ekes ekis ekki eksi ekur ercc erce erec erei erer eres eric erie erik eris eriu erke erki erks errc erre errs erse ersi eruc erur erus esce esci escr escs escu esee esek eser eses esie esik esis eske esks esku esri esse essi essu esui esus euer eur- eurc eure euse iccc icci iccr iccs iccu icec icee icer ices icis icke icks icrc icre icrr icrs icru icsc icse icsi icsr icss icue icus iecc ieie iere ieri iers iesc iesi iesr iesu iies iiie iiii iiis iirc iirs iisc iisi iisr iisu iiuc ikee iker ikes ikki ikri iksu ikue ircc ircs ircu iree irer ires iri- iric irie iris irki irks irrc irre irri irrs irse irus iscc isci iscr iscs iscu isec isee iser ises isic isie isis isku isri issc isse issi issr isss issu isus iucc iuce iuiu iuse iuss k-ci kccc kcci kcck kccr kccu kcec kcee kcei kceu kcic kcie kcii kcir kcis kciu kckc kckk kckr kcrc kcri kcrr kcrs kcru kcsc kcse kcsi kcsr kcss kcsu kcue kcui kcuk keck kecr keek keer kees keii keik keir keis kekc keke keki keks keku ker- kerc kere keri kerk kerr kers keru kesc kesi kesk kesr kess keur keus kicc kice kick kicr kics kier kies kieu kiic kiii kiik kiis kiiu kikc kiki kikk kikr kiku kirc kiri kirk kirr kirs kiru kisc kise kisi kisk kisr kiss kisu kiur kiuu kkci kkck kkcr kkcs kkic kkik kkkk kkrc kkre kkrk kkrr kkrs kkse kksi kksr kkss kksu kkus kkuu krcc krce krci krcs krcu krec kree krei krek kres kreu krik kris krkc krke krki krkk krkr krks krku krrc krre krri krrk krrr krrs krsc krse krsk krsr krss krsu kruc krue krui kruk krur ksce ksci ksck kscr kscs kscu ksec ksee ksei ksek kser ksii ksik ksir ksis kske kskk kskr ksks ksku ksrr ksrs ksse kssi kssr ksss kssu ksue ksui ksuu kucc kuce kuci kucr kuei kuek kues kueu kuic kuie kuik kuke kuki kukk kuks kuku kure kuri kurk kurr kurs kuru kusc kusu kuuk kuur kuuu rccc rccs rcic rcis rcsc rcsi rcss recc rece reci reck recr recs recu reek rees reii reik reir reis reiu reke reki reks rere reri rers reru rese resi ress reue reuk reus reuu ricc rice rick rics riek rier ries rieu riis rike riki rikk riku rire riri rirs risc rise risi risk riss risu riue rius rkss rrrr rscc rscs rsee rsis rsre ruce ruci ruck ruer rues ruis ruke ruki rukk ruku rurc rure ruri rurs ruru ruse rusi rusk russ rusu s-ic s-ii sccc scce sccs scec scee scer sci- scic scie scir scis sck- scr- scrc scre scri scrs scsc scsi scsr scsu scur se-c se-e se-i se-k se-s se-u sec- secc sece seck secr secs secu seec seek seer sees seeu seie seii seik seir seis seiu seke seki sekk seku serc sere seri serk serr sers seru sesc sese sesi