-er -ic c-- ccc cce cci cck ccp ccr ccs ce- cec cee cei cek cep cer ces ci- cic cie cii cik cip cir cis ckc cki cks cpc cpe cpi cpk cpp cpr cps crc cre cri crk crp crr crs csc cse csi csk csp csr css ec- ecc ece eci eck ecr ecs eec eee eek eep eer ees eic eie eii eik eip eir eis ekc eke eki ekp ekr eks ep- epc epe epi epp epr eps erc ere eri erk erp err ers es- esc ese esi esk esp esr ess icc ice ici ick icp icr ics ie- iec iee iei iek iep ier ies iic iie iii iip iir iis ikc ike iki ikk ikr iks ipc ipe ipi ipp ipr ips ir- irc ire iri irk irp irr irs is- isc ise isi isk isp isr iss kcc kce kci kck kcp kcr kcs ke- kec kee kei kek kep ker kes kic kie kii kik kip kir kis kkc kke kki kkk kkp kkr kks kpc kpe kpi kpk kpp kpr kps krc kri krk krp krr krs ksc kse ksi ksk ksp ksr kss p-p pcc pce pci pck pcp pcr pcs pec pee pei pek pep per pes pic pie pii pik pip pir pis pkc pke pki pkp pkr pks ppc ppe ppi ppk ppp ppr pps prc pre pri prk prp prr prs ps- psc pse psi psk psp psr pss rcc rce rci rcp rcr rcs re- rec ree rei rek rep rer res ric rie rii rik rip rir ris rkc rke rkk rkp rks rpc rpe rpi rpk rpp rpr rps rrc rri rrk rrp rrr rrs rsc rse rsi rsk rsp rsr rss scc sce sci sck scp scr scs se- sec see sei sek sep ser ses sic sie sii sik sip sir sis sk- skc ske ski skk skp skr sks spc spe spi spk spp spr sps sr- src sre sri srk srp srr srs ss- ssc sse ssi ssk ssp ssr sss

cccc ccci cccp cccs ccee ccic ccii ccip ccir ccis ccpe ccpp ccpr ccps ccrc ccre ccri ccrp ccrs ccsi ccsp ccss 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 cicc cici cicr cics ciee cier cies ciii ciis cikr cipp cips circ cire ciri cirk cirr cirs cis- cisc cise cisk cisp cisr ciss ckck ckcs cker ckpc ckpr ckrc cpce cpcs cpep cper cpic cpps cpre cpri cprs cpsc cpsk cpsr crcc crce crcr cre- crec cree crei crep cres cric crie crik crip cris crkc crkp crpc crps crsp crss cscc csce csci cscr cscs csec csee csep cser csik csir csis csks cspc cspe cspi csps csrc csrs csse cssr eccc ecce ecci eces ecip ecis ecks ecpp ecrc ecri ecrr ecsc ecse ecsp ecss 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 epcc epci epec epee eper epes epi- epic epie epik epip epis eppc eppp epps eprp eprs epsc epsi epsp epss ercc erce ercp erec erei erer eres eric erie erik eris erke erki erks erpe erps errc erre errs erse ersi esce esci escr escs esee esek eser eses esie esik esis eske esks espc espe espi espp esps esri esse essi essp iccc icci iccp iccr iccs icec icee icer ices icis icke icks icpc icps icrc icre icrr icrs icsc icse icsi icsp icsr icss iecc ieie iere ieri iers iesc iesi iesr iies iiie iiii iiis iirc iirs iisc iisi iisp iisr ikee iker ikes ikki ikri ipcc ipce ipcs ipec ipek iper ipes ipie ippc ippr ipri ipsc ipse ipsi ipsp ipss ircc ircs iree irer ires iri- iric irie irip iris irki irks irpc irpe irps irrc irre irri irrs irse irsp iscc isci iscp iscr iscs isec isee isep iser ises isic isie isis ispc ispe ispr isps isri isrp issc isse issi issp issr isss k-ci kccc kcci kcck kccr kcec kcee kcei kcep kcic kcie kcii kcir kcis kckc kckk kckr kcpc kcpi kcpr kcps kcrc kcri kcrp kcrr kcrs kcsc kcse kcsi kcsp kcsr kcss keck kecr keek keep keer kees keii keik keir keis kekc keke keki keks kep- kepc kepe kepi keps ker- kerc kere keri kerk kerp kerr kers kesc kesi kesk kesp kesr kess kicc kice kick kicp kicr kics kier kies kiic kiii kiik kiip kiis kikc kiki kikk kikr kip- kipe kipi kipp kipr kips kirc kiri kirk kirp kirr kirs kisc kise kisi kisk kisr kiss kkci kkck kkcr kkcs kkic kkik kkkk kkpc kkpk kkps kkrc kkre kkrk kkrr kkrs kkse kksi kksp kksr kkss kpcc kpcr kpcs kpek kper kpir kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kpri kprk kprp kprr kprs kpsc kpsi kpsp krcc krce krci krcs krec kree krei krek kres krik kris krkc krke krki krkk krkr krks krpi krpr krps krrc krre krri krrk krrr krrs krsc krse krsk krsr krss ksce ksci ksck kscr kscs ksec ksee ksei ksek ksep kser ksii ksik ksip ksir ksis kske kskk kskr ksks kspc kspe kspi kspk kspr ksps ksrp ksrr ksrs ksse kssi kssr ksss pccc pcce pccs pcep pcer pcip pcks pcpp pcps pcrc pcre pcse pece peci peck pecr pecs peec peek peep peer pees peip peir peis peke peki pekk pepe pepi peps per- perc pere peri perk perp perr pers pese pesi pess picc pice pici pick picr pics piep pier pies piip pike piki pikk piks pipe pipi pipp pips pirc pire piri pirk pirr pirs pise pisi pisk piss pkcs ppcc ppci ppcs pper ppic ppie pppp ppps pprc ppss prcc prcp prcs pre- prec pree prek prep pres pri- prie prii pris prps