cccc cccf ccci cccl ccfc ccff ccfi ccfl ccic ccii ccil ccir cclc ccli ccoc ccrc ccrf ccri ccrl cfcf cfcl cfco cffr cfor cicc cici cico cicr ciff cifl ciii ciko cikr cili cilk cill cilo cior circ ciri cirk cirl ciro cirr ckck ckcl ckco ckfi ckfr cklf ckoc ckoi ckoo ckor ckrc clic clif clii clik clio clir clof clok cloo clor clri clro cock coco cofc coff cofi coif coil coir cok- coko col- coli colk coll colo coof cook cool cor- corc corf cori cork corl coro corr crcc crcr crfc crfl cric crif crik crkc crkl crlf croc crok crol croo cror f--k fccf fcic fcii ffcc ffff ffii ffrr ficc fick fico fifc fiff fifi fifo fiii fiil fiki fili filk fill filo fior firk flcl flic flii flik floc flok floo flor foci fock foco fofo foil foki folc foli folk foll folo folr foof fook fool for- fori fork forl foro forr frcc frfc fric frik fril frio frol iccc iccf icci iccl icco iccr icll iclr icoc icor icrc icrf icrr ifco ific ifil ifor ifrf ifri iiii iiio iioi iioo iirc ikki ikko ikoo ikri ilic ilio ilir ilki ill- illi illo iloc ilok iloo ioci iofc ioii ioio ioko iolo ioof iooi iooo iori ircc iri- iric iril irio irki iroc irrc irri k-ci k-lo kccc kcci kcck kccl kccr kcfc kcfi kcfl kcfo kcic kcif kcii kcil kcir kckc kckf kckk kckl kcko kckr kclc kclf kcli kclk kcll kclr kcof kcol kcor kcrc kcri kcro kcrr kfcf kfco kfcr kfff kffk kfil kfio kfir kflc kflf kfli kfll kflo kfok kfoo kfor kfrc kfri kfro kfrr kicc kick kicl kicr kiff kifl kifr kiic kiii kiik kikc kikf kiki kikk kiko kikr kili kilk kill kilo kilr kioc kioi kiok kiol kioo kirc kirf kiri kirk kiro kirr kkci kkck kkcl kkco kkcr kkfi kkfr kkic kkik kkkk kklc kklf kkli kkll kklo kkol kkoo kkor kkrc kkrf kkrk kkrl kkro kkrr klcc klci klck klcl klcr klfc klff klfi klic klif klik klil klio klir klkc klkk klkl klko klkr kllc kllk kloc klok klol kloo klor klrc klrf klrk klrr kocf koci kock kofc koff kofi kofk kofo koii koil koir kokc kokf koki kokk koko kokr kolc kolf koli kolk koll kolo kolr kooc kooi kook kool kooo koor korc korf kori kork korl koro korr krcc krci krcl krco krfc krff krfo krik kril krio krkc krki krkk krko krkr krlc krlf kroc krof kroi krok krol kroo kror krrc krrf krri krrk krrl krro krrr lccc lcfc lcfr lcor lcrl lfcc lick lico licr liff lifl lifo liii liir liko lili lill lilo lio- lior lirc liri lirk lirl liro lirr llcc lllc llll lloc lloo locc loci lock loco loff lofi loic loif loik loir loki lokk loko loli loll lolo looc loof look lool loor lori lork loro lrfc lric lrif lroc lroi lrrc lrrr occc occi oclc ocrl ocro ocrr ofcl ofcr off- offc offo offr ofik ofor oici oick oiii oiko okic okir okko oklo okok okol okor okro olcc olic olio olki olli ollo olof olor oocr ooff oolo oooo orci orco orff orfi ori- oric orif oril orio orko orlo oro- orof orok oror orri orro rccc rcfc rcic rffc rffl rfic ricc rick rico riff riif riki rikk rill rilo riol riri rkkf rlif rocc rock roco rofc roff rofl rofo roif roik roil roio roir roki rokk roko rokr rolf rolk roll rolo roof rooi rook rool roor rorc rori rork roro rrfc rrif rrrr