cccc cccf ccci cccv ccfc ccff ccfi ccic ccii cciv ccoc ccvi ccvo cfcf cfco cicc cici cico ciff ciii ciko civc civo ckck ckco ckcv ckfi ckoc ckoi ckoo ckvo cock coco cofc coff cofi coif cok- coko coof cook covo cvcc cvii f--k fccf fcic fcii ffcc ffff ffii ficc fick fico fifc fiff fifi fifo fiii fiki foci fock foco fofo foki foof fook iccc iccf icci icco icoc ifco ific iiii iiio iioi iioo ikki ikko ikoo ioci iofc ioii ioio ioko ioof iooi iooo ivcf ivic k-ci kccc kcci kcck kccv kcfc kcfi kcfo kcfv kcic kcif kcii kciv kckc kckf kckk kcko kckv kcof kcvi kcvk kcvo kcvv kfcf kfco kfff kffk kffv kfio kfiv kfok kfoo kicc kick kiff kiic kiii kiik kikc kikf kiki kikk kiko kioc kioi kiok kioo kivi kkci kkck kkco kkfi kkic kkik kkkk kkoo kkov kkvv kocf koci kock kofc koff kofi kofk kofo koii koiv kokc kokf koki kokk koko kooc kooi kook kooo koov kovc kovi kovk kovo kvcc kvcf kvci kvck kvco kvcv kvfc kvic kvik kviv kvoc kvoi kvok kvoo kvov kvvf kvvv occc occi off- offc offo ofik oici oick oiii oiko okic okko okok ooff oooo ovi- ovo- ovoo vcci vfcc vic- vici vick vico viff viii viik viki viko vivi vivo voff voic voio vooc vovk vvvv