cccc cccf ccci ccfc ccff ccfi cchr ccic ccii ccir ccoc ccrc ccrf ccri cfcf cfco cffr cfhk cfor chch chci chfc chfi chfr chic chif chih chik chir choc choh choi chok choo chor chrc chrf chro chrr cicc cich cici cico cicr ciff cihr ciii ciko cikr cior circ cirh ciri cirk ciro cirr ckch ckck ckco ckfi ckfr ckoc ckoi ckoo ckor ckrc coch cock coco cofc coff cofi coho coif coir cok- coko coof cooh cook cor- corc corf cori cork coro corr crcc crcr crfc cric crif crik crkc croc croh crok croo cror f--k fccf fcch fcic fcii ffcc ffff ffii ffrr fhci ficc fich fick fico fifc fiff fifi fifo fiii fiki fior firk foch foci fock foco fofo fohr foki foof fook for- fori fork foro forr frcc frfc fric frik frio froh h-ii hccc hcch hcfc hchi hhhh hhof hi-c hicc hich hick hico hiff hifh hifi hifk hifo hifr hihc hihi hiho hiki hioc hirf hiri hirk hiro hkcc hkir hoch hock hocr hoff hoho hoif hoik hoir hoki hoko hoof hook hoor horc hori hork horo horr hrfc hrrc iccc iccf icci icco iccr ichc ichi icho ichr icoc icor icrc icrf icrr ifco ific ifor ifrf ifri ihcc ihrc iiii iiio iioi iioo iirc ikki ikko ikoo ikri ioci iofc ioii ioio ioko ioof iooi iooo iori ircc iri- iric irio irki iroc iroh irrc irri k-ci kccc kcci kcck kccr kcfc kcfh kcfi kcfo kchf kchh kchi kchk kcho kchr kcic kcif kcii kcir kckc kckf kckk kcko kckr kcof kcoh kcor kcrc kcrh kcri kcro kcrr kfcf kfch kfco kfcr kfff kffk kfhc kfio kfir kfok kfoo kfor kfrc kfrh kfri kfro kfrr khcc khcf khch khck khfr khhk khho khic khif khii khio khki khkk khkr khoc khoi khok khor khri khrk khro khrr kicc kick kicr kiff kifr kihc kihh kihi kihk kiho kihr kiic kiii kiik kikc kikf kiki kikk kiko kikr kioc kioh kioi kiok kioo kirc kirf kiri kirk kiro kirr kkch kkci kkck kkco kkcr kkfi kkfr kkhh kkhi kkhk kkhr kkic kkik kkkk kkoh kkoo kkor kkrc kkrf kkrh kkrk kkro kkrr kocf koch koci kock kofc koff kofh kofi kofk kofo kohh kohi koho kohr koii koir kokc kokf kokh koki kokk koko kokr kooc kooi kook kooo koor korc korf kori kork koro korr krcc krch krci krco krfc krff krfo krhc krik krio krkc krkh krki krkk krko krkr kroc krof kroh kroi krok kroo kror krrc krrf krri krrk krro krrr occc occi ochi ocro ocrr ofcr off- offc offh offo offr ofik ofor ohcc ohhi ohho ohif ohio ohoh ohok oici oick oiii oiko okic okir okko okok okor okro oocr ooff ooho oooh oooo orch orci orco orff orfi ori- oric orif orio orko oro- orof orok oror orri orro rccc rcfc rcic rffc rfic rhio rhoc rhoh ricc rich rick rico riff riho riif riki rikk riri rkkf rocc roch rock roco rofc roff rofo rohr roif roik roio roir rokh roki rokk roko rokr roof rooi rook roor rorc rori rork roro rrfc rrif rrrr