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 keku kep- kepc kepe kepi keps kepu ker- kerc kere keri kerk kerp kerr kers keru kesc kesi kesk kesp kesr kess keup keur keus kicc kice kick kicp kicr kics kier kies kieu kiic kiii kiik kiip kiis kiiu kikc kiki kikk kikr kiku kip- kipe kipi kipp kipr kips kipu kirc kiri kirk kirp kirr kirs kiru kisc kise kisi kisk kisr kiss kisu kiup kiur kiuu kkci kkck kkcr kkcs kkic kkik kkkk kkpc kkpk kkps kkrc kkre kkrk kkrr kkrs kkse kksi kksp kksr kkss kksu kkup kkus kkuu kpcc kpcr kpcs kpek kper kpir kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kpri kprk kprp kprr kprs kpru kpsc kpsi kpsp kpsu kpur kpus krcc krce krci krcs krcu krec kree krei krek kres kreu krik kris krkc krke krki krkk krkr krks krku krpi krpr krps krpu krrc krre krri krrk krrr krrs krsc krse krsk krsr krss krsu kruc krue krui kruk krup krur ksce ksci ksck kscr kscs kscu ksec ksee ksei ksek ksep kser ksii ksik ksip ksir ksis kske kskk kskr ksks ksku kspc kspe kspi kspk kspr ksps ksrp ksrr ksrs ksse kssi kssr ksss kssu ksue ksui ksup ksuu kucc kuce kuci kucp kucr kuei kuek kues kueu kuic kuie kuik kuke kuki kukk kuks kuku kupe kupr kups kupu kure kuri kurk kurr kurs kuru kusc kusp kusu kuuk kuur kuuu 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 peru pese pesi pess pesu peur picc pice pici pick picr pics picu piep pier pies piip pike piki pikk piks piku pipe pipi pipp pips pirc pire piri pirk pirr pirs piru pise pisi pisk piss pisu pius pkcs ppcc ppci ppcs pper ppic ppie pppp ppps pprc ppru ppss ppur prcc prcp prcs pre- prec pree prek prep pres preu pri- prie prii pris prps prri prrs prsc prse prsi prss prue prus pruu psci pscu psec psei psip psis pspi pspp pspr psps psrk psrp pssc psse pu-e puce puck puer pueu puir puis puiu puke puki puku pupe pupi pups pupu pur- pure puri purp purr purs puru pusi pusk puss puuc rccc rccs rcep rcic rcis rcpi rcps rcsc rcsi rcss recc rece reci reck recp recr recs recu reek reep rees reii reik reir reis reiu reke reki reks repe repi repp repr reps repu rere reri rers reru rese resi resp ress reue reuk reup reus reuu ricc rice rick rics riek riep rier ries rieu riis rike riki rikk riku ripe ripi ripp ripr rips rire riri rirs risc rise risi risk risp riss risu riue rius rkss rpcs rpii rpps rrrr rrsp rscc rscs rsee rsis rspk rsps rsre ruce ruci ruck ruer rues ruis ruke ruki rukk ruku rupe rupp rurc rure ruri rurp rurs ruru ruse rusi