cccc ccci cccl ccic ccii ccil ccir cclc ccli ccoc ccrc ccri ccrl cicc cici cico cicr ciii cili cill cilo cior circ ciri cirl ciro cirr clic clii clio clir cloo clor clri clro coco coil coir col- coli coll colo cool cor- corc cori corl coro corr crcc crcr cric croc crol croo cror iccc icci iccl icco iccr icll iclr icoc icor icrc icrr iiii iiio iioi iioo iirc ilic ilio ilir ill- illi illo iloc iloo ioci ioii ioio iolo iooi iooo iori ircc iri- iric iril irio iroc irrc irri lccc lcor lcrl lico licr liii liir lili lill lilo lio- lior lirc liri lirl liro lirr llcc lllc llll lloc lloo locc loci loco loic loir loli loll lolo looc lool loor lori loro lric lroc lroi lrrc lrrr occc occi oclc ocrl ocro ocrr oici oiii olcc olic olio olli ollo olor oocr oolo oooo orci orco ori- oric oril orio orlo oro- oror orri orro rccc rcic ricc rico rill rilo riol riri rocc roco roil roio roir roll rolo rooi rool roor rorc rori roro rrrr