cccc cccf ccci cccp ccee ccfc ccff ccfi cche cchp cchr ccic ccii ccip ccir ccoc ccpe ccpp ccpr ccrc ccre ccrf ccri ccrp cec- cece ceci ceco cecp ceec cef- cefc ceip ceke ceop ceor cepc cepe ceph cepo cepp cepr cer- cerc cere cerf ceri cero cerp cfcf cfco cffr cfhk cfor cfpo cfpr cfre cfrp chce chch chci chcp chec chee chef cheh chek chep cher chfc chfi chfr chic chie chif chih chik chip chir choc choh choi chok choo chop chor chpf chpp chpr chrc chrf chro chrp chrr cicc cich cici cico cicr ciee cier cife ciff cihr ciii ciko cikr cior cipf cipo cipp circ cire cirh ciri cirk ciro cirr ckch ckck ckco cker ckfi ckfr ckoc ckoi ckoo ckor ckpc ckpr ckrc coce coch cock coco cocp coep cofc cofe coff cofi coho coif coip coir cok- coke coko coof cooh cook coop cope coph copi copo copp copr cor- corc core corf cori cork coro corp corr cpce cpep cper cpff cpic cpif cpio cpre cpri crcc crce crcr cre- crec cree creh crei creo crep crfc cric crie crif crik crip crkc crkp croc croe croh crok croo crop cror crpc eccc ecce ecci ecco ecef ecfc ecfr eche echo ecip ecko eco- ecop ecpp ecrc ecrf ecri ecrr eeee eefe eeke eeoc eerc eero efco efeo effi efic efik efke efor ehcc eheh eher ehre eich eick eico eiec eiei eier eiho eike eiki eiko eipo eipr eire ekch ekco ekek eker ekfc ekho ekki ekoi ekpe ekpo eoir eore eori epcc epch epci epec epee eper epfc eph- ephi epi- epic epie epik epip epoc epor eppc eppo eppp epro eprp ercc erce erch ercp erec erei erer erfc erhc eric erie erih erik erio erke erki eroc eroe eroi eroo erpe errc erre erro f--k fccf fcch fccp fcic fcii fece fech feck feek feer fefc fefe feff fefi fefo fehr feie feio feir feke feko feof feoh fepc ferc fere ferk fero ferr ffcc ffee ffff ffii ffrr fhci ficc fice fich fick fico fiec fief fier fifc fife fiff fifi fifo fiii fike fiki fioe fior fipp fire firk foce foch foci fock foco foer fofo fohr foie foke foki foof fook fopp for- fore fori fork foro forr fp-c fpcc fprf frcc frcp free frei freo frep frfc fric frie frik frio frip froe froh frop h-ii hccc hcch hcfc hchi hcpc hcrp hech heck heef heek heep heer hefe hehe heho heic heie heif heih heik heir heke heor hepc hepe hepi hepp herc here heri herk hero herp herr hfce hfip hhhh hhip hhof hhpc hi-c hicc hice hich hick hico hicp hiei hier hiff hifh hifi hifk hifo hifr hihc hihe hihi hiho hiie hike hiki hioc hipc hipe hipo hipp hire hirf hiri hirk hiro hkcc hkir hkpo hoce hoch hock hocr hoei hoek hoer hofe hoff hohe hoho hoie hoif hoik hoip hoir hoke hoki hoko hooe hoof hook hoop hoor hope hopf hopi hopo hopp horc hore hori hork horo horr hpcc hpfc hppe hree hrfc hrip hrpc hrpp hrrc iccc iccf icci icco iccp iccr icec icee icef icer ichc iche ichi icho ichr icke icoc icor icpc icpo icrc icre icrf icrr iecc ieie ieio ieoh iere ieri ifco ifcp ifer ifhe ific ifor ifpo ifrf ifri ihcc ihep iher ihop ihrc ihre iiie iiii iiio iioi iioo iiop iipf iirc ikee iker ikki ikko ikoo ikri ioci iocp ioee iofc ioii ioio ioke ioko ioof iooi iooo iore iori ipcc ipce ipec ipek iper ipfc iphc iphr ipie ipkf ipko ipoe ipoh ipop ippc ippf ippo ippr ipri ircc iree irer irfe iri- iric irie irio irip irki iroc iroh irop irpc irpe irrc irre irri k-ci kccc kcci kcck kccr kcec kcee kcei kceo kcep kcfc kcfh kcfi kcfo kcfp kche kchf kchh kchi kchk kcho kchr kcic kcie kcif kcii kcir kckc kckf kckk kcko kckr kcoe kcof kcoh kcor kcpc kcpi kcpo kcpr kcrc kcrh kcri kcro kcrp kcrr kech keck keco kecr keef keeh keek keep keer kefc keff kefh kefr kehk kehr keif keii keik keio keir kekc keke keki keko keok kep- kepc kepe keph kepi ker- kerc kere kerf keri kerk kero kerp kerr kfcf kfch kfco kfcr kfer kfff kffk kfhc kfio kfir kfok kfoo kfor kfpr kfrc kfre kfrh kfri kfro kfrp kfrr khcc khcf khch khck khec khep kher khfr khhk khho khic khif khii khio khip khke khki khkk khkr khoc khoe khoi khok khop khor khpe khpr khri khrk khro khrr kicc kice kick kicp kicr kief kier kife kiff kifr kihc kihh kihi kihk kiho kihp kihr kiic kiii kiik kiip kikc kikf kiki kikk kiko kikr kioc kioe kioh kioi kiok kioo kip- kipe kiph kipi kipo kipp kipr kirc kirf kiri kirk kiro kirp kirr kkch kkci kkck kkco kkcr kkfi kkfr kkhh kkhi kkhk kkhr kkic kkik kkkk kkoh kkoo kkor kkpc kkpk kkrc kkre kkrf kkrh kkrk kkro kkrr kocf koch koci kock kocp koei kofc kofe koff kofh kofi kofk kofo kofp kohh kohi koho kohr koii koir kokc koke kokf kokh koki kokk koko kokp kokr kooc kooi kook kooo koop koor kope kopf koph kopi kopp kopr korc kore korf kori kork koro korr kpcc kpch kpcr kpek kper kpfc kpfk kpfr kphf kphi kphp kphr kpif kpih kpir kpke kpkk kpkr kpoc kpoe kpof kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprf kprh kpri kprk kpro kprp kprr krcc krce krch krci krco krec kree kref kreh krei krek kreo krfc krfe krff krfo krfp krhc krhp krik krio krkc krke krkh krki krkk krko krkr kroc kroe krof kroh kroi krok kroo krop kror krph krpi krpr krrc krre krrf krri krrk krro krrr o-eo occc occi oce ocee ocef ocfp oche ochi ocke ocpp ocre ocro ocrr oec- oecc oeec oere ofcr ofek ofer off- offc offe offh