cccc cccf ccci cccl cccu ccfc ccff ccfi ccfl ccic ccii ccil cclc ccli ccoc ccuc cfcf cfcl cfco cicc cici cico cicu ciff cifl ciii cili cill cilo ciuc clic clif clii clio clof cloo clou coco cocu cofc coff cofi coif coil col- coli coll colo colu coof cool coul cucc cuci cufc cuff cufi cufo cui- cuif cuil culc cull culo fccf fcic fcii ffcc ffff ffii ficc fico fifc fiff fifi fifo fiii fiil fili fill filo flcl flic flii floc floo flou fluf fluo foci foco fofo foil folc foli foll folo foof fool foul fuc- fuci fufc fuff fufu fuil fuli full fulu iccc iccf icci iccl icco iccu icll icoc ifco ific ifil iiii iiio iioi iioo iiuc ilic ilio ill- illi illo iloc iloo ioci iofc ioii ioio iolo ioof iooi iooo iucc iuiu lccc lcfc lfcc lico liff lifl lifo liii lili lill lilo lilu lio- liuf llcc lllc llll lloc lloo locc loci loco locu loff lofi loic loif loiu loli loll lolo looc loof lool loui loul louu luci luff lufu luif luli lull lulu occc occi oclc ocul ofcl off- offc offo offu oici oiii olcc olic olio olli ollo olof ooff oolo oooo oucc oufc ouff ouii oulu ouu- ucci ucil ucio ufcu ulcc ulco ulic ulli ullo ulo- uloc ulul uocc uofl uofo uolc uulu uuoc uuuu