cccc ccci cccl cccu ccic ccii ccil ccir cclc ccli ccoc ccrc ccri ccrl ccuc cicc cici cico cicr cicu ciii cili cill cilo cior circ ciri cirl ciro cirr ciuc clic clii clio clir cloo clor clou clri clro coco cocu coil coir col- coli coll colo colu cool cor- corc cori corl coro corr coul cour crcc crcr cric criu croc crol croo cror cucc cuci cui- cuil cuir culc cull culo curi curl curo curr iccc icci iccl icco iccr iccu icll iclr icoc icor icrc icrr icru iiii iiio iioi iioo iirc iiuc ilic ilio ilir ill- illi illo iloc iloo ioci ioii ioio iolo iooi iooo iori ircc ircu iri- iric iril irio iroc irrc irri irul iucc iuiu lccc lcor lcrl lico licr liii liir lili lill lilo lilu lio- lior lirc liri lirl liro lirr liru llcc lllc llll lloc lloo locc loci loco locu loic loir loiu loli loll lolo looc lool loor lori loro loui loul lour louu lric lroc lroi lrrc lrrr luci luli lull lulu luri occc occi oclc ocrl ocro ocrr ocul ocur oici oiii olcc olic olio olli ollo olor olur oocr oolo oooo orci orco ori- oric oril orio orlo orlu oro- oror orri orro oucc ouii ouir oulu our- ouro ouu- rccc rcic ricc rico rill rilo rilu riol riou riri rocc roco roil roio roir roiu roll rolo rooi rool roor rorc rori roro roru roul rrrr ruci rull rulo rurc ruri ruro ruru ucci ucil ucio ucrc uirr ulcc ulco ulic ulli ullo ullr ulo- uloc ulul uocc uolc uor- urci uric uriu uro- urol uroo urri urur uulu uuoc uuri uuuu