cccc ccci cccl ccic ccii ccil ccir cclc ccli ccoc ccrc ccri ccrl cicc cici cico cicr ciii ciko cikr cili cilk cill cilo cior circ ciri cirk cirl ciro cirr ckck ckcl ckco ckoc ckoi ckoo ckor ckrc clic clii clik clio clir clok cloo clor clri clro cock coco coil coir cok- coko col- coli colk coll colo cook cool cor- corc cori cork corl coro corr crcc crcr cric crik crkc crkl croc crok crol croo cror iccc icci iccl icco iccr icll iclr icoc icor icrc icrr iiii iiio iioi iioo iirc ikki ikko ikoo ikri ilic ilio ilir ilki ill- illi illo iloc ilok iloo ioci ioii ioio ioko iolo iooi iooo iori ircc iri- iric iril irio irki iroc irrc irri k-ci k-lo kccc kcci kcck kccl kccr kcic kcii kcil kcir kckc kckk kckl kcko kckr kclc kcli kclk kcll kclr kcol kcor kcrc kcri kcro kcrr kicc kick kicl kicr kiic kiii kiik kikc kiki kikk kiko kikr kili kilk kill kilo kilr kioc kioi kiok kiol kioo kirc kiri kirk kiro kirr kkci kkck kkcl kkco kkcr kkic kkik kkkk kklc kkli kkll kklo kkol kkoo kkor kkrc kkrk kkrl kkro kkrr klcc klci klck klcl klcr klic klik klil klio klir klkc klkk klkl klko klkr kllc kllk kloc klok klol kloo klor klrc klrk klrr koci kock koii koil koir kokc koki kokk koko kokr kolc koli kolk koll kolo kolr kooc kooi kook kool kooo koor korc kori kork korl koro korr krcc krci krcl krco krik kril krio krkc krki krkk krko krkr krlc kroc kroi krok krol kroo kror krrc krri krrk krrl krro krrr lccc lcor lcrl lick lico licr liii liir liko lili lill lilo lio- lior lirc liri lirk lirl liro lirr llcc lllc llll lloc lloo locc loci lock loco loic loik loir loki lokk loko loli loll lolo looc look lool loor lori lork loro lric lroc lroi lrrc lrrr occc occi oclc ocrl ocro ocrr oici oick oiii oiko okic okir okko oklo okok okol okor okro olcc olic olio olki olli ollo olor oocr oolo oooo orci orco ori- oric oril orio orko orlo oro- orok oror orri orro rccc rcic ricc rick rico riki rikk rill rilo riol riri rocc rock roco roik roil roio roir roki rokk roko rokr rolk roll rolo rooi rook rool roor rorc rori rork roro rrrr