cccc cccf ccci cccl cccu ccfc ccff ccfi ccfl ccic ccii ccil ccir cclc ccli ccoc ccrc ccrf ccri ccrl ccuc cfcf cfcl cfco cffr cfor cicc cici cico cicr cicu ciff cifl ciii cili cill cilo cior circ ciri cirl ciro cirr ciuc clic clif clii clio clir clof cloo clor clou clri clro coco cocu cofc coff cofi coif coil coir col- coli coll colo colu coof cool cor- corc corf cori corl coro corr coul cour crcc crcr crfc crfl cric crif criu crlf croc crol croo cror cucc cuci cufc cuff cufi cufo cui- cuif cuil cuir culc cull culo curf curi curl curo curr 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 flou fluf fluo flur foci foco fofo foil folc foli foll folo folr foof fool for- fori forl foro forr foul four frcc frfc fric fril frio frol frou fuc- fuci fufc fuff fufu fuil fuir fuli full fulu fuor fur- furi furl furo furr iccc iccf icci iccl icco iccr iccu icll iclr icoc icor icrc icrf icrr icru ifco ific ifil ifor ifrf ifri iiii iiio iioi iioo iirc iiuc ilic ilio ilir ill- illi illo iloc iloo ioci iofc ioii ioio iolo ioof iooi iooo iori ircc ircu irfu iri- iric iril irio iroc irrc irri irul iucc iuiu lccc lcfc lcfr lcor lcrl lfcc lico licr liff lifl lifo liii liir lili lill lilo lilu lio- lior lirc liri lirl liro lirr liru liuf llcc lllc llll lloc lloo locc loci loco locu loff lofi loic loif loir loiu loli loll lolo looc loof lool loor lori loro loui loul lour louu lrfc lric lrif lroc lroi lrrc lrrr luci luff lufu luif luli lull lulu luri occc occi oclc ocrl ocro ocrr ocul ocur ofcl ofcr off- offc offo offr offu ofor oici oiii olcc olic olio olli ollo olof olor olur oocr ooff oolo oooo orci orco orff orfi orfu ori- oric orif oril orio orlo orlu oro- orof oror orri orro oucc oufc ouff ouii ouir oulu our- ouro ouu- rccc rcfc rcic rffc rffl rfic ricc rico riff rifu riif rill rilo rilu riol riou riri rlif rocc roco rofc roff rofl rofo roif roil roio roir roiu rolf roll rolo roof rooi rool roor rorc rori roro roru rouf roul rrfc rrif rrrr ruci rufc ruff rufo ruif rull rulo rurc ruri ruro ruru ucci ucil ucio ucrc ufcu uirr ulcc ulco ulic ulli ullo ullr ulo- uloc ulul uocc uofl uofo uolc uor- urci urff urfi uric urif uriu uro- urol uroo urri urur uulu uuoc uuri uuuu