-er -ic -up c-- ccc cce cci cck ccp ccr ccs ccu ce- cec cee cei cek cep cer ces ceu ci- cic cie cii cik cip cir cis ciu ckc cki cks cpc cpe cpi cpk cpp cpr cps cpu crc cre cri crk crp crr crs cru csc cse csi csk csp csr css csu cuc cue cui cuk cup cur cus cuu ec- ecc ece eci eck ecr ecs ecu eec eee eek eep eer ees eic eie eii eik eip eir eis eiu ekc eke eki ekp ekr eks eku ep- epc epe epi epp epr eps epu erc ere eri erk erp err ers eru es- esc ese esi esk esp esr ess esu eu- euc eue eui eup eur eus icc ice ici ick icp icr ics icu ie- iec iee iei iek iep ier ies iic iie iii iip iir iis iiu ikc ike iki ikk ikr iks iku ipc ipe ipi ipp ipr ips ipu ir- irc ire iri irk irp irr irs iru is- isc ise isi isk isp isr iss isu iu- iuc iue iui iup iur ius kcc kce kci kck kcp kcr kcs kcu ke- kec kee kei kek kep ker kes kic kie kii kik kip kir kis kiu kkc kke kki kkk kkp kkr kks kku kpc kpe kpi kpk kpp kpr kps kpu krc kri krk krp krr krs kru ksc kse ksi ksk ksp ksr kss ksu kuc kue kui kuk kup kur kus kuu p-p pcc pce pci pck pcp pcr pcs pcu pec pee pei pek pep per pes peu pic pie pii pik pip pir pis piu pkc pke pki pkp pkr pks pku ppc ppe ppi ppk ppp ppr pps ppu prc pre pri prk prp prr prs pru ps- psc pse psi psk psp psr pss psu puc pue pui puk pup pur pus puu rcc rce rci rcp rcr rcs rcu re- rec ree rei rek rep rer res reu ric rie rii rik rip rir ris rkc rke rkk rkp rks rku rpc rpe rpi rpk rpp rpr rps rpu rrc rri rrk rrp rrr rrs rru rsc rse rsi rsk rsp rsr rss rsu ruc rue rui ruk rup rur rus ruu scc sce sci sck scp scr scs scu se- sec see sei sek sep ser ses seu sic sie sii sik sip sir sis siu sk- skc ske ski skk skp skr sks sku spc spe spi spk spp spr sps spu sr- src sre sri srk srp srr srs ss- ssc sse ssi ssk ssp ssr sss ssu suc sue sui suk sup sur sus suu ucc uce uci uck ucp ucr ucs ucu uec uee uei uep uer ues uic uie uii uip uir uis uiu ukc uke uki ukk ukp ukr uku up- upc upe upi upk upp upr ups upu ur- urc ure uri urk urp urr urs uru usc use usi usk usp usr uss usu uuc uue uur uus uuu

cccc ccci cccp cccs cccu ccee ccic ccii ccip ccir ccis ccpe ccpp ccpr ccps ccrc ccre ccri ccrp ccrs ccsi ccsp ccss ccuc ccup ccus cec- cece ceci cecp cecs ceec cees ceip ceke cepc cepe cepp cepr ceps cer- cerc cere ceri cerp cers cesc cese cesi cesp cesr cess ceui cicc cici cicr cics cicu ciee cier cies ciii ciis cikr cipp cips circ cire ciri cirk cirr cirs cis- cisc cise cisk cisp cisr ciss ciuc ciup cius ckck ckcs cker ckpc ckpr ckrc cpce cpcs cpcu cpep cper cpic cpps cpre cpri cprs cpsc cpsk cpsr cpsu cpus crcc crce crcr cre- crec cree crei crep cres creu cric crie crik crip cris criu crkc crkp crpc crps crsp crss crue cruk crup crus cscc csce csci cscr cscs csec csee csep cser csik csir csis csks cspc cspe cspi csps csrc csrs csse cssr csup csur csus cucc cuce cuci cuck cuek cuer cues cui- cuir cuis cuk- cuke cupe cupp cupr cups cure curi curr curs cusk cusp cuss cusu eccc ecce ecci eces ecip ecis ecks ecpp ecrc ecri ecrr ecru ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eeke eeks eeps eerc eers eese eesi eesk eick eics eiec eiei eier eies eike eiki eiks eipr eire eirs eise eisk eiss ekek eker ekes ekis ekki ekpe eksi ekur epcc epci epec epee eper epes epi- epic epie epik epip epis eppc eppp epps eprp eprs epsc epsi epsp epss epus ercc erce ercp erec erei erer eres eric erie erik eris eriu erke erki erks erpe erps errc erre errs erse ersi eruc erur erus esce esci escr escs escu esee esek eser eses esie esik esis eske esks esku espc espe espi espp esps esri esse essi essp essu esui esus euer eur- eurc eure euse iccc icci iccp iccr iccs iccu icec icee icer ices icis icke icks icpc icps icrc icre icrr icrs icru icsc icse icsi icsp icsr icss icue icup icus iecc ieie iere ieri iers iesc iesi iesr iesu iies iiie iiii iiis iirc iirs iisc iisi iisp iisr iisu iiuc ikee iker ikes ikki ikri iksu ikue ipcc ipce ipcs ipec ipek iper ipes ipie ippc ippr ipri ipsc ipse ipsi ipsp ipss ipur ipus ircc ircs ircu iree irer ires iri- iric irie irip iris irki irks irpc irpe irps irrc irre irri irrs irse irsp irus iscc isci iscp iscr iscs iscu isec isee isep iser ises isic isie isis isku ispc ispe ispr isps isri isrp issc isse issi issp issr isss issu isup isus iucc iuce iuiu iupp iuse iuss k-ci kccc kcci kcck kccr kccu kcec kcee kcei kcep kceu kcic kcie kcii kcir kcis kciu kckc kckk kckr kcpc kcpi kcpr kcps kcpu kcrc kcri kcrp kcrr kcrs kcru kcsc kcse kcsi kcsp kcsr kcss kcsu kcue kcui kcuk kcup keck kecr keek keep keer kees keii keik keir keis kekc keke keki keks