c-cd cccc cccf ccci ccdc ccdf ccdi ccfc ccfd ccff ccfi ccgc ccgt ccic ccid ccii ccoc ccod cctc cctt cdic cdii cdio cdot cfcf cfco cfcy cfgo cfit cftc cgcc cgcg cgfc cicc cici cico cict cidc cidg cidi cidt ciff cifg cigi ciid ciii ciit citf citg citi cito citt city coco coct codd codi cody cofc coff cofi coft cogi cogo coif coit cood coof coot cotc coti coto cott coty coyf coyo coyt ctcf ctfc ctfo ctgf ctic ctot cyc- cycc cyfi cyft cyt- cyto cyy- cyyc dc-y dccc dcci dcct dcfc dcgo dcii dcio dctc dddd ddoc ddot dfcc dfco dfdt dftg dici dico dict dicy didi dido didy dif- diff dify digg digi digo diii dioc diot diti dito ditt diyi doci doco doct dod- dodd dodg dodi dodo dody doff dog- dogg dogi dogo dogy doid doig doit dood doof doot dotd doti doto dott doty doyo dtcc dtfc dtot dycd dydd dyf- dyfi dyio dyit dyo- dyoo dyot dyt- dytc dyty fccf fcic fcii fcot fcto fcty fdic fdoc fdot fdtc fdti ffcc ffff ffii fftf ficc fico fict fidc fidf fido fifc fiff fifi fifo fift figc figg figo fiii fitc fiti fitt foci foco fody fofo fogg fogi fogo fogy foid food foof foot foti foto fott foty foyt ft-c ftcd ftdi ftfc ftfy ftgd ftii fyfi fyti gc-c gccc gccf gcfc gcic gcii gctc gdci gfcf gfci ggfg gggg gidc gidd gidi gido gidy giff gift gigg gigi gigo giog gioi gito godi godo goff gogi gogo goif goit good goof goog gooi goot gotd goti goto gott goty goyf goyt gtco gtfc gtfo gydi gyod gytt i-go iccc iccf icci icco icct icdc icdd icgc icoc icod iddo idfc idgf idgo idic idid idig idio idoc idog ifcd ifco iffy ific ifid ifit ifto ifyo igcc igfc iggy igoo igot iicd iiii iiio iiit iioi iioo iitt iocg ioci iod- iodd iodo iofc iogt ioii ioio ioit ioof iooi iooo iotf ioto itdo itgc itgo itic itif itof itoi itoo ittf itto itty occc occi occt oct- octi octo octy odci oddd oddi oddy odic odio odoo odot off- offc offo offy ofgo ofid ofit ogdc ogfy oggi oggy ogod ogog ogoi oici oido oigo oiii oitc oiti oodi ooff oofy ooid oooo ooty otcd otfc otic otif otit oto- otof otog otoo otoy otti otto otyg tccc tcdd tcfc tcfg tctc tdff tfdc tfot tftc tgcc tgif tgtc ticc tico tidc tidd tidy tiff tifo tift tigi tigy tiit titc titi tito titt tiyi tiyo to-y toci toco todd todi todo todt tody toff tofi tofo toft togo togt toid toit tood toof toot totc totd toti toto tott toty toyo toyt ttfc ttff ttoy tttt ttyd tyco tydd tydi tydy tyff tyft tytd tyti tyto tytt tyty yccc yctc ydyt ygot yidi yiff yift yiti yodo yoff yogi yogo yoit yood yoof yoot yott yoyo yyff yyyy