cccc ccci cccl cccu ccic ccii ccil cclc ccli ccoc cctc cctl cctt ccuc ccut cicc cici cico cict cicu ciii ciit cili cill cilo cilt citi citl cito citt citu ciuc clic clii clio clit cloo clot clou cltc clut coco coct cocu coil coit col- coli coll colo colt colu cool coot cotc coti coto cott cotu coul cout ctic ctol ctot cucc cuci cui- cuil cuit culc cull culo cult cut- cutc cuto cutt iccc icci iccl icco icct iccu icll icoc iiii iiio iiit iioi iioo iitt iiuc ilic ilio ilit ill- illi illo illt iloc iloo ilot ilut ioci ioii ioio ioit iolo iooi iooo ioto itic itil itll itoi itol itoo itou itto iucc iuiu lccc lctl lcto lico lict liii lili lill lilo lilt lilu lio- liti litl lito litt litu liut llcc lllc llll lloc lloo locc loci loco locu loic loit loiu loli loll lolo looc lool loot loti lotl loto lott loui loul lout louu ltcc ltci lttc ltuc luci luit luli lull lulu luti occc occi occt oclc oct- octi octo ocul oici oiii oitc oiti olcc olic olio olit olli ollo olot oltu oolo oooo otcl otic otit oto- otoo otti otto ottu oucc ouii ouit oulu out- outi outo ouu- tccc tccu tctc tcul ticc tico tiit tiiu till tilo tilt tiou titc titi tito titt titu tlco tlli toci toco toil toit tol- toli toll tolo tolt tolu tool toot totc toti toto tott toui toul tout tttt ttul tucc tuco tuil tuit tuiu tuli tull tulo tulu tuti tutl tuto tutt tutu tuuo ucci ucil ucio ucut ulcc ulco ulic ulli ullo ulo- uloc ulti ulto ultt ulul uocc uolc util utti utto uttu uulu uuoc uuuu