c-cd cccc ccci cccp ccdc ccdi ccdp ccic ccid ccii ccip ccoc ccod ccpp cctc cctt cdic cdii cdio cdot cicc cici cico cict cidc cidi cidp cidt ciid ciii ciit cipo cipp citi cito citp citt city coco cocp coct codd codi cody coip coit cood coop coot copd copi copo copp copt copy cotc coti coto cott coty coyo coyt cpic cpio cppd cptp ctcp ctic ctot ctpo ctpp cyc- cycc cypc cyt- cyto cyy- cyyc dc-y dccc dcci dccp dcct dcii dcio dcop dcpo dctc dddd ddoc ddot ddpo dici dico dict dicy didi dido didy diii dioc diop diot dipc dipo dipp dipt diti dito ditt diyi doci doco doct dod- dodd dodi dodo dody doid doit dood doop doot dopo dopp dopt dopy dotd doti doto dott doty doyo dpci dpcp dpdt dppc dpty dpyd dtcc dtdp dtot dttp dycd dydd dyio dyit dyo- dyoo dyot dyt- dytc dyty iccc icci icco iccp icct icdc icdd icdp icoc icod icpc icpd icpo ictp iddo idic idid idio idoc idtp iicd iiii iiio iiit iioi iioo iiop iitt ioci iocp iod- iodd iodo ioii ioio ioit iooi iooo ioto ipcc ipct ipdc ipdi ipid ipod ipop ippc ippo ippy iptc ipto itdo itic itoi itoo itpc itto itty iypt occc occi occt ocpd ocpp oct- octi octo octy odci oddd oddi oddy odic odio odoo odop odot oici oido oiii oipc oitc oiti oodi ooid oooo ootp ooty opic opii opio opit opo- oppi oppo oppy opti opto otcd otic otit oto- otoo otoy otpp otti otto pccc pcip pcod pcpp pdci pdcp pdic pdoc pdtc picc pici pico pict picy pido piip piot pipi pipo pipp pipy piti pito pitt pity piyo pocd poco pod- podd podi podo pody poid poio pood poop poot pop- popc popi popo popp popt popy potc potd poti poto pott poty poyo ppcc ppcd ppci ppic ppid ppod pppd pppo pppp pptt ptcc ptdc ptop ptpd pttc pyic pyo- pyot pypy pytt tccc tcdd tcpo tcpy tctc ticc tico tidc tidd tidy tiit tiop tip- tipc tipi tipo tipp tipt titc titi tito titp titt tiyi tiyo to-y toci toco todd todi todo todt tody toid toit tood toot top- topd topi topo topp topt totc totd toti toto tott toty toyo toyt tpcd tpcp tppd tppp tptp tpyo ttcp ttop ttoy tttt ttyd tyco tydd tydi tydy typ- typo typp typy tytd tyti tyto tytt tyty yccc yctc ydyt yidi yiti yitp yodo yoit yood yoop yoot yopo yopy yott yoyo ypcc yyyy