cccc cccf ccci cccl cccu ccfc ccff ccfi ccfl ccic ccii ccil ccir cclc ccli ccoc ccrc ccrf ccri ccrl ccrt cctc cctl cctt ccuc ccut cfcf cfcl cfco cffr cfit cfor cfrt cftc cftl cftr cicc cici cico cicr cict cicu ciff cifl ciii ciit cili cill cilo cilt cior circ ciri cirl ciro cirr cirt citf citi citl cito citt citu ciuc clic clif clii clio clir clit clof cloo clor clot clou clri clro cltc clut coco coct cocu cofc coff cofi coft coif coil coir coit col- coli coll colo colt colu coof cool coot cor- corc corf cori corl coro corr cort cotc coti coto cott cotu coul cour cout crcc crcr crfc crfl cric crif crit criu crlf croc crol croo cror crot crrt crtc crtf crtl crut ctcf ctfc ctfo ctic ctol ctor ctot ctrc ctrl cucc cuci cufc cuff cufi cufo cui- cuif cuil cuir cuit culc cull culo cult curf curi curl curo curr curt cut- cutc cuto cutt fccf fcic fcii fcot fcto ffcc ffff ffii ffrr fftf ficc fico fict fifc fiff fifi fifo fift fiii fiil fili fill filo fior fitc fiti fitt flcl flic flii flit floc floo flor flot flou fluf fluo flur foci foco fofo foil folc foli foll folo folr folt foof fool foot for- fori forl foro forr fort foti foto fott foul four fout frcc frfc fric fril frio frit frol frot frou ft-c ft-l ftfc ftii ftuc fuc- fuci fuct fufc fuff fufu fuil fuir fuit fuli full fulu fuor fur- furi furl furo furr furt futi futo futu iccc iccf icci iccl icco iccr icct iccu icll iclr icoc icor icrc icrf icrr icrt icru ifco ific ifil ifit ifor ifrf ifri ifto iiii iiio iiit iioi iioo iirc iitr iitt iiuc ilic ilio ilir ilit ill- illi illo illt iloc iloo ilot ilut ioci iofc ioii ioio ioit iolo ioof iooi iooo iori iotf ioto ircc ircu irfu iri- iric iril irio iroc irrc irri irtf irti irul itic itif itil itll itof itoi itol itoo itor itou itrf itri ittf itto itur iucc iuiu lccc lcfc lcfr lcor lcrl lctl lcto lfcc lico licr lict liff lifl lifo lift liii liir lili lill lilo lilt lilu lio- lior lirc liri lirl liro lirr lirt liru liti litl lito litr litt litu liuf liut llcc lllc llll lloc lloo locc loci loco locu loff lofi loft loic loif loir loit loiu loli loll lolo looc loof lool loor loot lori loro loti lotl loto lotr lott loui loul lour lout louu lrfc lric lrif lroc lroi lrrc lrrr ltcc ltci ltfc lttc lttr ltuc luci luff luft lufu luif luit luli lull lulu luri lurt luti occc occi occt oclc ocrl ocro ocrr oct- octi octo ocul ocur ofcl ofcr off- offc offo offr offu ofit ofor oici oiii oirt oitc oiti olcc olic olio olit olli ollo olof olor olot oltu olur oocr ooff oolo oooo oort orci orco orff orfi orfu ori- oric orif oril orio orit orlo orlu oro- orof oror orot orri orro ortc orto otcl otfc otic otif otit oto- otof otoo otor otro otti otto ottu otur oucc oufc ouff ouii ouir ouit oulu our- ouro ourt out- outi outo ouu- rccc rcfc rcic rctc rcti rffc rffl rfic rftc ricc rico rict riff rift rifu riif rill rilo rilu riol riot riou riri riti ritl rito ritt ritu rlif rocc roco rofc roff rofl rofo roif roil roio roir roit roiu rolf roll rolo rolt roof rooi rool roor root rorc rori roro rort roru rotc roti rotl roto rotr rott rouf roul rout rrfc rrif rrrr rtcc rtfc rtlt ruci ruct rufc ruff rufo ruft ruif ruit rull rulo rurc ruri ruro ruru ruti rutl ruto rutt rutu tccc tccu tcfc tctc tcul tfcu tfot tftc ticc tico tiff tifo tift tiit tiiu till tilo tilr tilt tiou tiri tirl tiro tirr tiru titc titi tito titt titu tlco tlli toci toco toff tofi tofo toft tofu toil toit tol- toli toll tolo tolt tolu toof tool toor toot torc torf tori toro torr tort toru totc toti toto totr tott toui toul tour tout trcc trcl trfc trfr tri- tric trif tril trio trit troc troi troo trot trou trtc trtr truc trut truu ttfc ttff tttt ttul tucc tuco tufc tuff tufi tufo tuft tufu tuil tuit tuiu tuli tull tulo tulu tuor turc turf turi turo turr turt turu tuti tutl tuto tutt tutu tuuo ucci ucil ucio ucrc ucut ufcu uirr ulcc ulco ulft ulic ulli ullo ullr ulo- uloc ulti ulto ultt ulul uocc uofl uofo uolc uor- urci urff urfi urft uric urif uriu uro- urol uroo urri urur urut utfo util utor utri utti utto uttu uulu uuoc uuri uutf uuuu