cccc cccf ccci cccl cccu ccfc ccff ccfi ccfl ccic ccii ccil ccix cclc ccli cclx ccoc ccuc ccxi ccxl cfcf cfcl cfco cfix cfox cicc cici cico cicu ciff cifl ciii cili cill cilo ciuc cixi clic clif clii clio clix clof cloo clou clox clux clxi clxx coco cocu cofc coff cofi coif coil coix col- coli coll colo colu coof cool coul coux cucc cuci cufc cuff cufi cufo cui- cuif cuil culc cull culo cxii cxix cxxi cxxx fccf fcic fcii ffcc ffff ffii ficc fico fifc fiff fifi fifo fiii fiil fili fill filo fixx flcl flic flii flix floc floo flou flox fluf fluo flux foci foco fofo foil foix folc foli foll folo folx foof fool foul foxx fuc- fuci fufc fuff fufu fuil fuli full fulu fuxi fuxl iccc iccf icci iccl icco iccu icll icoc ifco ific ifil iiii iiio iioi iioo iiuc ilic ilio ill- illi illo iloc iloo ilxx ioci iofc ioii ioio iolo ioof iooi iooo iucc iuiu ixil ixlu ixxi lccc lcfc lfcc lico liff lifl lifo lifx liii lili lill lilo lilu lio- liuf lixi lixu llcc lllc llll lloc lloo locc loci loco locu loff lofi loic loif loiu loix loli loll lolo looc loof lool loui loul louu loux lox- loxo luci luff lufu luif luli lull lulu luxi luxo lxii lxxi lxxx occc occi oclc ocul ofcl off- offc offo offu oici oiii olcc olic olio olli ollo olof olux ooff oolo oooo oucc oufc ouff ouii oulu oulx ouu- oxi- oxic oxo- oxof oxox oxuf oxxo ucci ucil ucio ufcu ulcc ulco ulic ulli ullo ulo- uloc ulul uocc uofl uofo uolc uulu uuoc uuuu uxul x-fi xcii xico xiii xil- xili xill xixi xlii xlix xloc xlox xoco xolo xoxo xuxu xxii xxix xxxi xxxo xxxx