cccc ccci cccv cchr ccic ccii ccir cciv ccoc ccrc ccri ccvi ccvo chch chci chic chih chik chir chiv choc choh choi chok choo chor chov chrc chro chrr chvo cicc cich cici cico cicr cihr ciii ciko cikr cior circ cirh ciri cirk ciro cirr civc civh civo ckch ckck ckco ckcv ckhv ckoc ckoi ckoo ckor ckrc ckvo coch cock coco coho coir cok- coko cooh cook cor- corc cori cork coro corr covo crcc crcr cric crik crkc croc croh crok croo cror cvcc cvii cvrr h-ii hccc hcch hchi hhhh hi-c hi-v 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 hovi hovk hrrc hvcc iccc icci icco iccr ichc ichi icho ichr icoc icor icrc icrr ihcc ihrc ihvh iiii iiio iioi iioo iirc ikki ikko ikoo ikri ioci ioii ioio ioko iooi iooo iori ircc iri- iric irio irki iroc iroh irov irrc irri ivic ivor k-ci kccc kcci kcck kccr kccv kchh kchi kchk kcho kchr kcic kcii kcir kciv kckc kckk kcko kckr kckv kcoh kcor kcrc kcrh kcri kcro kcrr kcrv kcvh kcvi kcvk kcvo kcvr kcvv khcc khch khck khcv khhk khho khic khii khio khki khkk khkr khkv khoc khoi khok khor khri khrk khro khrr khrv khvh 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 kirv kivi kkch kkci kkck kkco kkcr kkhh kkhi kkhk kkhr kkic kkik kkkk kkoh kkoo kkor kkov kkrc kkrh kkrk kkro kkrr kkrv kkvr kkvv koch koci kock kohh kohi koho kohr koii koir koiv kokc kokh koki kokk koko kokr kooc kooi kook kooo koor koov korc kori kork koro korr korv kovc kovi kovk kovo kovr krcc krch krci krco krhc krhv krik krio kriv krkc krkh krki krkk krko krkr krkv kroc kroh kroi krok kroo kror krov krrc krri krrk krro krrr krvc krvi krvk krvo krvr krvv kvcc kvch kvci kvck kvco kvcr kvcv kvic kvik kvir kviv kvoc kvoh kvoi kvok kvoo kvor kvov kvrc kvrh kvri kvro kvrr kvrv kvvr kvvv 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 orvr ovi- ovo- ovoo rccc rcic rcvr rhio rhoc rhoh ricc rich rick rico riho riki rikk riri rivo rocc roch rock roco rohr roik roio roir rokh roki rokk roko rokr rooi rook roor rorc rori rork roro rovi rovo rrrr rv-c rvik rvvh vcci vhhh vic- vich vici vick vico vihi viii viik viki viko virc viri virk viro virr vivi vivo vkor voho voic voio voir vooc voor vor- vori voro vovk vrci vrio vroc vvvv