c-cd cccc cccf ccci cccl cccu ccdc ccdf ccdi ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil cclc ccli ccoc ccod cctc cctl cctt ccuc ccut cddl cdic cdii cdio cdli cdot cfcf cfcl cfco cfit cftc cftl cicc cici cico cict cicu cidc cidi cidt ciff cifl ciid ciii ciit cili cill cilo cilt citf citi citl cito citt citu ciuc clcd cldc clic clif clii clio clit clod clof cloo clot clou cltc clud clut coco coct cocu codd codi codl cofc coff cofi coft coif coil coit col- cold coli coll colo colt colu cood coof cool coot cotc coti coto cott cotu coud coul cout ctcf ctfc ctfo ctic ctol ctot cucc cuci cudi cufc cuff cufi cufo cui- cuif cuil cuit culc culd cull culo cult cut- cutc cuto cutt dccc dcci dccl dcct dccu dcfc dcii dcil dcio dcli dctc dddd ddlc ddoc ddot dfcc dfco dfcu dfdt dici dico dict didi dido didu dif- diff diii dilf dili dill dilo dioc diol diot diou diti dito ditt dlco dlii dlil dlit doci doco doct docu dod- dodd dodi dodo doff doid doil doit dold dolf doli doll dolo dolt dolu dood doof dool doot dotd doti doto dott douc doud douf doul dout dtcc dtfc dtot duco duct dudd dudo dudu dufc duff dufu duid duif duil duit dulc duli dull dulo dult dulu duo- duul duut fccf fcic fcii fcot fcto fdic fdoc fdot fdtc fdti fdtl ffcc ffff ffii fftf ficc fico fict fidc fidf fido fifc fiff fifi fifo fift fiii fiil fild fili fill filo fitc fiti fitt flcl flic flid flii flit floc flod floo flot flou flud fluf fluo foci foco fofo foid foil folc fold foli foll folo folt food foof fool foot foti foto fott foud foul fout ft-c ft-l ftcd ftdi ftfc ftii ftuc fuc- fuci fuct fudd fudi fufc fuff fufu fuid fuil fuit fuli full fulu futi futo futu iccc iccf icci iccl icco icct iccu icdc icdd icdl icll icoc icod iddo idfc idic idid idil idio idli idoc idol iduo ifcd ifco ific ifid ifil ifit ifto iicd iiii iiio iiit iioi iioo iitt iiuc ilcd ilic ilio ilit ill- illd illi illo illt iloc iloo ilot ilud ilut ioci iod- iodd iodo iofc ioii ioio ioit iolo ioof iooi iooo iotf ioto itdo itic itif itil itll itof itoi itol itoo itou ittf itto iucc iuiu lccc lcdd lcfc lctl lcto ldcf ldci ldif lfcc lico lict lidl lido liff lifl lifo lift liii lili lill lilo lilt lilu lio- liod litd liti litl lito litt litu liuf liut llcc lldc lllc llll lloc llod lloo llud locc loci loco locu lodi loff lofi loft loic loid loif loit loiu lold loli loll lolo looc lood loof lool loot lotd loti lotl loto lott loud loui loul lout louu ltcc ltci ltfc lttc ltuc luci ludd ludi ludo luff luft lufu luif luit luli lull lulu luti occc occi occt oclc oct- octi octo ocul odci oddd oddi odic odio odiu odoo odot odou odtu ofcl off- offc offo offu ofid ofit oici oido oiii oitc oiti olcc olic olid olio olit olli ollo olof olot oltu oodi ooff ooid oold oolo oooo otcd otcl otfc otic otif otit oto- otof otoo otti otto ottu oucc oudc oufc ouff ouii ouit ould oulu out- outi outo ouu- tccc tccu tcdd tcfc tctc tcul tdff tdil tfcu tfdc tfot tftc ticc tico tidc tidd tiff tifo tift tiit tiiu tild till tilo tilt tiou titc titi tito titt titu tlco tlli toci toco todd todi todo todt todu toff tofi tofo toft tofu toid toil toit tol- told toli toll tolo tolt tolu tood toof tool toot totc totd toti toto tott toui toul tout ttfc ttff tttt ttul tucc tuco tudi tudu tufc tuff tufi tufo tuft tufu tuil tuit tuiu tuli tull tulo tulu tuti tutl tuto tutt tutu tuuo ucci ucdc ucdd ucil ucio ucut uddi udic udid udoo udot ufcu ulcc ulco ulft ulic ulli ullo ulo- uloc ulti ulto ultt ulul uocc uofl uofo uolc utfo utid util utti utto uttu uulu uuoc uutf uuuu