cccc cccf ccci cccp ccee ccfc ccff ccfi ccic ccii ccip ccir cciw cckw ccoc ccow ccpe ccpp ccpr ccrc ccre ccrf ccri ccrp cec- cece ceci ceco cecp ceec cef- cefc ceip ceke ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cerf ceri cero cerp cewe cfcf cfco cfcw cffr cfor cfpo cfpr cfre cfrp cfrw cfwc cicc cici cico cicr ciee cier cife ciff ciii ciko cikr cior cipf cipo cipp circ cire ciri cirk ciro cirr ciww ckck ckco ckcw cker ckfi ckfr ckoc ckoi ckoo ckor ckpc ckpr ckrc ckrw ckwr ckww coce cock coco cocp coep cofc cofe coff cofi coif coip coir cok- coke coko coof cook coop cope copi copo copp copr cor- corc core corf cori cork coro corp corr cowe cowp cpce cpep cper cpff cpic cpif cpio cpre cpri crcc crce crcr cre- crec cree crei creo crep crew crfc cric crie crif crik crip crkc crkp croc croe crok croo crop cror crow crpc cwer cwfc cwrw eccc ecce ecci ecco ecef ecfc ecfr ecip ecko eco- ecop ecpp ecrc ecrf ecri ecrr eeee eefe eeke eeoc eerc eero efco efeo effi efic efik efke efor eick eico eiec eiei eier eike eiki eiko eipo eipr eire ekco ekek eker ekfc ekki ekoi ekpe ekpo ekwe eoir eore eori epcc epci epec epee eper epfc epi- epic epie epik epip epoc epor eppc eppo eppp epro eprp ercc erce ercp erec erei erer erew erfc eric erie erik erio erke erki eroc eroe eroi eroo erpe errc erre erro ewer ewew ewip ewok ewre f--k fccf fccp fcic fcii fece feck feek feer fefc fefe feff fefi fefo feie feio feir feke feko feof fepc ferc fere ferk fero ferr fewe ffcc ffee ffff ffii ffrr ficc fice fick fico fiec fief fier fifc fife fiff fifi fifo fiii fike fiki fioe fior fipp fire firk foce foci fock foco foer fofo foie foke foki foof fook fopp for- fore fori fork foro forr fowe fowk fp-c fpcc fprf frcc frcp free frei freo frep frew frfc fric frie frik frio frip froe frop frow fwcc fwfc fwiw iccc iccf icci icco iccp iccr icec icee icef icer icew icke icoc icor icpc icpo icrc icre icrf icrr icrw iecc ieie ieio iere ieri ifco ifcp ifer ific ifor ifpo ifrf ifri ifwe iiie iiii iiio iioi iioo iiop iipf iirc iiwi ikee iker ikki ikko ikoo ikri ikwo ioci iocp ioee iofc ioii ioio ioke ioko ioof iooi iooo iore iori iowe ipcc ipce ipec ipek iper ipfc ipie ipkf ipko ipoe ipop ippc ippf ippo ippr ipri ircc iree irer irfe iri- iric irie irio irip irki iroc irop irpc irpe irrc irre irri iwcc iwce iwie iwiw iwpr k-ci kccc kcci kcck kccr kcec kcee kcei kceo kcep kcfc kcfi kcfo kcfp kcic kcie kcif kcii kcir kckc kckf kckk kcko kckr kcoe kcof kcor kcow kcpc kcpi kcpo kcpr kcrc kcri kcro kcrp kcrr kcrw kcwc kcwe kcwf kcwk kcwr keck keco kecr keef keek keep keer kefc keff kefr keif keii keik keio keir kekc keke keki keko keok kep- kepc kepe kepi ker- kerc kere kerf keri kerk kero kerp kerr kewe kewf kewp kewr kfcf kfco kfcr kfcw kfer kfff kffk kfio kfir kfok kfoo kfor kfpr kfpw kfrc kfre kfri kfro kfrp kfrr kfrw kfwr kicc kice kick kicp kicr kicw kief kier kiew kife kiff kifr kifw kiic kiii kiik kiip kikc kikf kiki kikk kiko kikr kioc kioe kioi kiok kioo kiow kip- kipe kipi kipo kipp kipr kirc kirf kiri kirk kiro kirp kirr kiwi kiwr kkci kkck kkco kkcr kkcw kkfi kkfr kkic kkik kkkk kkoo kkor kkow kkpc kkpk kkrc kkre kkrf kkrk kkro kkrr kkwe kkwf kkwk kocf koci kock kocp kocw koei kofc kofe koff kofi kofk kofo kofp koii koir kokc koke kokf koki kokk koko kokp kokr kooc kooi kook kooo koop koor kope kopf kopi kopp kopr kopw korc kore korf kori kork koro korr kowe kowi kowr kpcc kpcr kpcw kpek kper kpfc kpfk kpfr kpif kpir kpke kpkk kpkr kpoc kpoe kpof kpok kpoo kpop kpow kppc kppk kppo kppp kppr kppw kprc kpre kprf kpri kprk kpro kprp kprr kprw kpwe kpwk kpwr kpww krcc krce krci krco krcw krec kree kref krei krek kreo krew krfc krfe krff krfo krfp krik krio krkc krke krki krkk krko krkr krkw kroc kroe krof kroi krok kroo krop kror krow krpi krpr krrc krre krrf krri krrk krro krrr krrw krwc krwk krwp krwr kwck kwcr kwee kwei kwfc kwfp kwfr kwic kwie kwik kwip kwkc kwkk kwkr kwkw kwoc kwof kwok kwor kwow kwpc kwpw kwre kwrf kwri kwrk kwro kwrp kwrr kwrw kwwf kwwk kwwr o-eo occc occi oce ocee ocef ocfp ocke ocpp ocre ocro ocrr oec- oecc oeec oere ofcr ofek ofer off- offc offe offo offr ofik ofor ofre oici oick oier oiii oike oiko oipc oire oker okic okie okir okko okok okor okpe okpo okre okro oocr ooer ooff oooo oore opec opei opep oper opic opie opii opio opo- opor oppi oppo orce orci orco ore- orec orek oreo orer orfe orff orfi ori- oric orie orif orio orke orko oro- oroe orof orok oror orpc orpe orpi orri orro orwe orwo ower owfe owie owir owoe owow owpe owre pccc pcce pccw pcep pcer pcfc pcip pcoe pcpp pcrc pcre pcrf pece peci peck peco pecr peec peek peep peer pefc peff peio peip peir peke peki pekk peko peor pepe pepi pepo per- perc pere perf peri perk pero perp perr pewe pewk pfce pfff pffr pfic pfkp picc pice pici pick pico picr piep pier piff piip pike piki pikk piko pipe pipi pipo pipp pirc pire piri pirk piro pirr piwi poce pock poco poer poff pofi poik poio poke poko poof pook poop poor pop- popc pope popi popo popp porc pore pori pork