c-cd cccc ccci cccl ccdc ccdi ccgc ccgt ccic ccid ccii ccil cclc cclg ccli ccoc ccod cctc cctl cctt cddl cdic cdii cdio cdli cdot cgcc cgcg cgtl cicc cici cico cict cidc cidg cidi cidt cigi ciid ciii ciit cili cill cilo cilt citg citi citl cito citt clcd cldc clic clig clii clio clit clod clog cloo clot cltc coco coct codd codi codl cogi cogo coil coit col- cold coli coll colo colt cood cool coot cotc coti coto cott ctic ctlg ctol ctot dccc dcci dccl dcct dcgo dcii dcil dcio dcli dctc dddd ddlc ddoc ddot dglc dici dico dict didi dido digg digi digo diii dili dill dilo dioc diol diot diti dito ditt dlco dlii dlil dlit doci doco doct dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doil doit dold doli doll dolo dolt dood dool doot dotd doti doto dott dtcc dtot gc-c gccc gcic gcii gclc gctc gdci ggcl gggg gidc gidd gidi gidl gido gigg gigi gigo gild gilg gili gill gilo gilt giog gioi gito glcc gli- glic glid glit glod glog glot godi godo gogi gogo goit gold goli goll golo golt good goog gooi gool goot gotd goti gotl goto gott gtco gtld i-go iccc icci iccl icco icct icdc icdd icdl icgc icll icoc icod iddo idgo idic idid idig idil idio idli idoc idog idol igcc igil igli iglo igoo igot iicd iiii iiio iiit iioi iioo iitt ilcd ilic ilio ilit ill- illd illi illo illt iloc ilog iloo ilot iocg ioci iod- iodd iodo iogt ioii ioio ioit iolo iooi iooo ioto itdo itgc itgo itic itil itll itoi itol itoo itto lccc lcdd lctl lcto ldci lgdt lico lict lidl lido ligc ligg ligi ligo liig liii lilg lili lill lilo lilt lio- liod litd liti litl lito litt llcc lldc llgc lllc llll lloc llod lloo locc loci loco lodi log- logi logo loic loid loit lold loli loll lolo looc lood lool loot lotd loti lotl loto lott ltcc ltcg ltci lttc occc occi occt oclc oct- octi octo odci oddd oddi odic odio odoo odot ogdc ogdl oggi ogli ogod ogog ogoi oici oido oigo oiii oitc oiti olcc olgc olic olid olig olio olit olli ollo olog olot oodi ooid oold oolo oooo otcd otcl otic otit oto- otog otoo otti otto tccc tcdd tctc tdil tgcc tgtc ticc tico tidc tidd tigi tiit tild till tilo tilt titc titi tito titt tlco tlgc tlli toci toco todd todi todo todt togo togt toid toil toit tol- told toli toll tolo tolt tood tool toot totc totd toti toto tott tttt