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 cili cill cilo cior circ ciri cirl ciro cirr clic clif clii clio clir clof cloo clor clri clro coco cofc coff cofi coif coil coir col- coli coll colo coof cool cor- corc corf cori corl coro corr crcc crcr crfc crfl cric crif crlf croc crol croo cror fccf fcic fcii ffcc ffff ffii ffrr ficc fico fifc fiff fifi fifo fiii fiil fili fill filo fior flcl flic flii floc floo flor foci foco fofo foil folc foli foll folo folr foof fool for- fori forl foro forr frcc frfc fric 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 ilic ilio ilir ill- illi illo iloc iloo ioci iofc ioii ioio iolo ioof iooi iooo iori ircc iri- iric iril irio iroc irrc irri lccc lcfc lcfr lcor lcrl lfcc lico licr liff lifl lifo liii liir lili lill lilo lio- lior lirc liri lirl liro lirr llcc lllc llll lloc lloo locc loci loco loff lofi loic loif loir loli loll lolo looc loof lool loor lori loro lrfc lric lrif lroc lroi lrrc lrrr occc occi oclc ocrl ocro ocrr ofcl ofcr off- offc offo offr ofor oici oiii olcc olic olio olli ollo olof olor oocr ooff oolo oooo orci orco orff orfi ori- oric orif oril orio orlo oro- orof oror orri orro rccc rcfc rcic rffc rffl rfic ricc rico riff riif rill rilo riol riri rlif rocc roco rofc roff rofl rofo roif roil roio roir rolf roll rolo roof rooi rool roor rorc rori roro rrfc rrif rrrr