cccc cccp cccs cccu ccee ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccrt ccsp ccss ccst cctc cctt ccuc ccup ccus ccut cec- cece cecp cecs cect ceec cees ceke cepc cepe cepp cepr ceps cept cer- cerc cere cerp cers cert cesc cese cesp cesr cess cest cet- cete cetp cets ckck ckcs cker ckpc ckpr ckrc ckst ckts cpce cpcs cpcu cpep cper cpps cpre cprs cprt cpsc cpsk cpsr cpsu cptp cptr cpts cpus crcc crce crcr cre- crec cree crep cres cret creu crkc crkp crpc crps crrt crsp crss crst crtc crtp crts crue cruk crup crus crut cscc csce cscr cscs csec csee csep cser cset csks cspc cspe csps cspt csrc csrs csse cssr cstc cstr csts csup csur csus ctcp ctec ctep ctpp ctps ctrc ctrp ctrs ctsc ctss ctsu ctts cucc cuce cuck cuek cuer cues cuk- cuke cupe cupp cupr cups cure curr curs curt cusk cusp cuss cust cusu cut- cutc cute cuts cutt eccc ecce ecct eces ecks ecpp ecrc ecrr ecru ecsc ecse ecsp ecss ecsu ect- ectc ects ecus eecs eeee eees eeke eeks eeps eerc eers eese eesk eetc eete eets eetu ekek eker ekes eket ekpe ekur epcc epec epee eper epes eppc eppp epps eprp eprs epsc epsp epss epte epus ercc erce ercp erec erer eres eret erke erks erpe erps errc erre errs erse erst erts ertu eruc erur erus esce escr escs escu esee esek eser eses eset eske esks esku espc espe espp esps esse essp esst essu estc este estp estr ests esus etcc etcs etec etee eter etes etre etsu ette ettu euer eur- eurc eure eurt euse kccc kcck kccr kcct kccu kcec kcee kcep kcet kceu kckc kckk kckr kcpc kcpr kcps kcpt kcpu kcrc kcrp kcrr kcrs kcrt kcru kcsc kcse kcsp kcsr kcss kcst kcsu kctc kcte kctu kcue kcuk kcup keck kecr keek keep keer kees keet kekc keke keks keku kep- kepc kepe keps kept kepu ker- kerc kere kerk kerp kerr kers kert keru kesc kesk kesp kesr kess kest ket- ketc kete ketk ketp ketr kets kett ketu keup keur keus kkck kkcr kkcs kkct kkkk kkpc kkpk kkps kkpt kkrc kkre kkrk kkrr kkrs kkrt kkse kksp kksr kkss kkst kksu kktc kktk kkts kktu kkup kkus kkut kkuu kpcc kpcr kpcs kpek kper kpet kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kprk kprp kprr kprs kprt kpru kpsc kpsp kpsu kpte kptr kpts kptt kpur kpus krcc krce krcs krcu krec kree krek kres kret kreu krkc krke krkk krkr krks krku krpr krps krpt krpu krrc krre krrk krrr krrs krrt krsc krse krsk krsr krss krst krsu krtc krtk krtr krts kruc krue kruk krup krur ksce ksck kscr kscs kscu ksec ksee ksek ksep kser kset kske kskk kskr ksks ksku kspc kspe kspk kspr ksps kspt ksrp ksrr ksrs ksrt ksse kssr ksss ksst kssu kstc kste kstk kstp kstr ksts kstt kstu ksue ksup ksut ksuu ktcc ktce ktck ktcr ktcs ktec ktee ktek ktep ktkc ktke ktkk ktkr ktks ktkt ktku ktpk ktpr ktpt ktrc ktre ktrk ktrp ktrr ktrs ktrt ktru ktsc ktsr ktst ktsu kttc kttk kttp kttr ktts kttt kttu ktuc kucc kuce kucp kucr kuek kues kueu kuke kukk kuks kuku kupe kupr kups kupt kupu kure kurk kurr kurs kurt kuru kusc kusp kust kusu kute kutp kutr kuts kutt kutu kuuk kuur kuuu pccc pcce pccs pcep pcer pcks pcpp pcps pcrc pcre pcse pcte pcts pece peck pecr pecs pect peec peek peep peer pees peet peke pekk pepe peps per- perc pere perk perp perr pers pert peru pese pess pest pesu pete petr pets pett peur peut pkcs pkts ppcc ppcs pper pppp ppps pprc ppru ppss ppts pptt ppur prcc prcp prcs pre- prec pree prek prep pres pret preu prps prrs prsc prse prss prtc prtp prtr prue prus prut pruu pscu psec pspp pspr psps psrk psrp pssc psse psst psts pstu ptcc pter pttc pttk pu-e puce puck puer puet pueu puke puku pupe pups pupu pur- pure purp purr purs puru pusk puss pust put- pute puts putt putu puuc rccc rccs rcep rcet rcps rcpt rcsc rcss rctc rcts recc rece reck recp recr recs rect recu reek reep rees reet reke reks rekt repe repp repr reps rept repu rere rers rert reru rese resp ress rest rete retr rets rett reue reuk reup reus reut reuu rkss rkts rpcs rpet rpps rpts rrrr rrsp rscc rscs rsee rspk rsps rsre rstp rsts rstu rtcc rtce rtee rtes rtps rtss rttp rtts ruce ruck ruct ruer rues ruet ruke rukk ruku rupe rupp rupt rurc rure rurp rurs ruru ruse rusk russ rust rusu rute ruts rutt rutu sccc scce sccp sccs scct scec scee scep scer scet sck- scpe scps scpt scr- scrc scre scrs scsc scsr scst scsu sctc sctr scts scup scur scut se-c se-e se-k se-s se-t se-u sec- secc sece seck secr secs sect secu seec seek seep seer sees seet seeu seke sekk sekt seku sepe sepp sepr seps sept sepu serc sere serk serp serr sers sert seru sesc sese sess sest set- setc sete sets sett seur skee skep sker skes sket skpc skrt skss skue skup skur skut spcc spcs spec spee spek sper spes spet spke spkr spps sprs spse spsp spss spst sptc sptr spts spue spur spus sput srcc srct srec sres srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset sspc sspe ssps sspt ssrc ssrs sssc ssss sstc sstp ssts stcc stcp stcs stcu stec stee stek step ster stes stet stks stpp stps strc stre strk strs stru stss sttc sttr stuc stue stuk stup stur stus stut suc- succ suck sucr sucs suee suer sues suet sueu suke suks suku sup- supe supp supr sups supt sur- surc sure surp