c-cd cccc ccci ccdc ccdi ccgc ccgt ccic ccid ccii ccoc ccod cctc cctt cdic cdii cdio cdot cgcc cgcg cicc cici cico cict cidc cidg cidi cidt cigi ciid ciii ciit citg citi cito citt city coco coct codd codi cody cogi cogo coit cood coot cotc coti coto cott coty coyo coyt cozd cozi cozy cozz ctic ctot cyc- cycc cyt- cyto cyy- cyyc czyz dc-y dccc dcci dcct dcgo dcii dcio dctc dddd ddoc ddot dici dico dict dicy didi dido didy digg digi digo diii dioc diot diti dito ditt ditz diyi dizi dizy dizz doci doco doct dod- dodd dodg dodi dodo dody dog- dogg dogi dogo dogy doid doig doit dood doot dotd doti doto dott doty doyo dozi dozo dozy dtcc dtot dycd dydd dyio dyit dyo- dyoo dyot dyt- dytc dyty dztc gc-c gccc gcic gcii gctc gdci gggg gidc gidd gidi gido gidy gigg gigi gigo giog gioi gito gizi gizo gizy gizz godi godo gogi gogo goit good goog gooi goot gotd goti goto gott goty goyt gozd gozi gozo gtco gydi gyod gytt i-go iccc icci icco icct icdc icdd icgc icoc icod iddo idgo idic idid idig idio idoc idog igcc iggy igoo igot iicd iiii iiio iiit iioi iioo iitt iocg ioci iod- iodd iodo iogt ioii ioio ioit iooi iooo ioto itdo itgc itgo itic itoi itoo itto itty izod izzo izzy occc occi occt oct- octi octo octy odci oddd oddi oddy odic odio odoo odot odzi ogdc oggi oggy ogiz ogod ogog ogoi oici oido oigo oiii oitc oiti oitz oodi ooid oooo ooty oozi oozy otcd otic otit oto- otog otoo otoy otti otto otyg otzi ozd ozzy tccc tcdd tctc tgcc tgtc ticc tico tidc tidd tidy tigi tigy tiit titc titi tito titt titz tiyi tiyo tizi tizz to-y toci toco todd todi todo todt tody togo togt toid toit tood toot totc totd toti toto tott toty toyo toyt toyz tozo tozy ttoy tttt ttyd tyco tydd tydi tydy tytd tyti tyto tytt tyty tzzt yccc yctc ydyt ygot yidi yiti yodo yogi yogo yoit yood yoot yooz yott yoyo yozo yyyy zico zidi zigg zigi zigo ziti zito ziyi zizi zizz zoco zodd zodi zogg zogi zogo zoic zoid zoio zoo- zoot zoti zott zoty zotz zozo zydy zyg- zygi zygo zyyi zzzz