cccc ccci cchr ccic ccii ccir ccoc ccrc ccri chch chci chic chih chik chir choc choh choi chok choo chor chrc chro chrr cicc cich cici cico cicr cihr ciii ciko cikr cior circ cirh ciri cirk ciro cirr ckch ckck ckco ckoc ckoi ckoo ckor ckrc coch cock coco coho coir cok- coko cooh cook cor- corc cori cork coro corr crcc crcr cric crik crkc croc croh crok croo cror h-ii hccc hcch hchi hhhh hi-c hicc hich hick hico hihc hihi hiho hiki hioc hiri hirk hiro hkcc hkir hoch hock hocr hoho hoik hoir hoki hoko hook hoor horc hori hork horo horr hrrc iccc icci icco iccr ichc ichi icho ichr icoc icor icrc icrr ihcc ihrc iiii iiio iioi iioo iirc ikki ikko ikoo ikri ioci ioii ioio ioko iooi iooo iori ircc iri- iric irio irki iroc iroh irrc irri k-ci kccc kcci kcck kccr kchh kchi kchk kcho kchr kcic kcii kcir kckc kckk kcko kckr kcoh kcor kcrc kcrh kcri kcro kcrr khcc khch khck khhk khho khic khii khio khki khkk khkr khoc khoi khok khor khri khrk khro khrr kicc kick kicr kihc kihh kihi kihk kiho kihr kiic kiii kiik kikc kiki kikk kiko kikr kioc kioh kioi kiok kioo kirc kiri kirk kiro kirr kkch kkci kkck kkco kkcr kkhh kkhi kkhk kkhr kkic kkik kkkk kkoh kkoo kkor kkrc kkrh kkrk kkro kkrr koch koci kock kohh kohi koho kohr koii koir kokc kokh koki kokk koko kokr kooc kooi kook kooo koor korc kori kork koro korr krcc krch krci krco krhc krik krio krkc krkh krki krkk krko krkr kroc kroh kroi krok kroo kror krrc krri krrk krro krrr occc occi ochi ocro ocrr ohcc ohhi ohho ohio ohoh ohok oici oick oiii oiko okic okir okko okok okor okro oocr ooho oooh oooo orch orci orco ori- oric orio orko oro- orok oror orri orro rccc rcic rhio rhoc rhoh ricc rich rick rico riho riki rikk riri rocc roch rock roco rohr roik roio roir rokh roki rokk roko rokr rooi rook roor rorc rori rork roro rrrr