cccc cccf ccci cccl ccfc ccff ccfi ccfl ccic ccii ccil cclc ccli ccoc cfcf cfcl cfco cicc cici cico ciff cifl ciii ciko cili cilk cill cilo ckck ckcl ckco ckfi cklf ckoc ckoi ckoo clic clif clii clik clio clof clok cloo cock coco cofc coff cofi coif coil cok- coko col- coli colk coll colo coof cook cool f--k fccf fcic fcii ffcc ffff ffii ficc fick fico fifc fiff fifi fifo fiii fiil fiki fili filk fill filo flcl flic flii flik floc flok floo foci fock foco fofo foil foki folc foli folk foll folo foof fook fool iccc iccf icci iccl icco icll icoc ifco ific ifil iiii iiio iioi iioo ikki ikko ikoo ilic ilio ilki ill- illi illo iloc ilok iloo ioci iofc ioii ioio ioko iolo ioof iooi iooo k-ci k-lo kccc kcci kcck kccl kcfc kcfi kcfl kcfo kcic kcif kcii kcil kckc kckf kckk kckl kcko kclc kclf kcli kclk kcll kcof kcol kfcf kfco kfff kffk kfil kfio kflc kflf kfli kfll kflo kfok kfoo kicc kick kicl kiff kifl kiic kiii kiik kikc kikf kiki kikk kiko kili kilk kill kilo kioc kioi kiok kiol kioo kkci kkck kkcl kkco kkfi kkic kkik kkkk kklc kklf kkli kkll kklo kkol kkoo klcc klci klck klcl klfc klff klfi klic klif klik klil klio klkc klkk klkl klko kllc kllk kloc klok klol kloo kocf koci kock kofc koff kofi kofk kofo koii koil kokc kokf koki kokk koko kolc kolf koli kolk koll kolo kooc kooi kook kool kooo lccc lcfc lfcc lick lico liff lifl lifo liii liko lili lill lilo lio- llcc lllc llll lloc lloo locc loci lock loco loff lofi loic loif loik loki lokk loko loli loll lolo looc loof look lool occc occi oclc ofcl off- offc offo ofik oici oick oiii oiko okic okko oklo okok okol olcc olic olio olki olli ollo olof ooff oolo oooo