c-cd cccc cccp ccdc ccdn ccdp ccnc ccnp ccoc ccod ccpn ccpp cctc cctt cdnc cdon cdot cnco cncp cndd cndp cntc coco cocp coct codd con- conc cond conn cono cont cood coon coop coot copd copo copp copt cotc cotn coto cott cpnt cppd cptp ctcp ctot ctpo ctpp cttn dccc dccp dcct dcon dcop dcpo dctc dddd ddoc ddot ddpo dnoc dnpo dntp dntt doco doct dod- dodd dodo donc dond donn dono donp dont dood doon doop doot dopo dopp dopt dotd doto dott dpcp dpdt dppc dtcc dtdp dtot dttp nccc nccn nccp ncct ncdc ncdn ncnc ncnd ncoc ncpc nctc ndcc ndcp nddo ndnp ndnt ndoc ndop ndpd ndtc nnnn nnot nntn noco noct nodo non- nonn nono nont noo- noon nooo noop noot not- noto nott npcc nppc nppd nptc nptn ntcc ntnd ntop ntpc ntpd ntto occc occn occt ocon ocpd ocpp oct- octo oddd odon odoo odop odot onc- oncd onco onct ondo onno onod onon onpt ont- ontc onto oont oooo ootp opo- opon oppo optn opto otcd oto- oton otoo otpp otto pccc pcnt pcod pcpn pcpp pdcp pdoc pdpn pdtc pnon pnot pnpo pnpp pntd pocd poco pod- podd podo ponc pond pono ponp pont pood poon poop poot pop- popc popo popp popt potc potd poto pott ppcc ppcd ppod pppd pppn pppo pppp pptn pptt ptcc ptdc ptop ptpd pttc tccc tcdd tcnn tcon tcpo tctc tncc tndd toco todd todo todt tonn tono tood toon toot top- topd topo topp topt totc totd toto tott tpcd tpcp tpon tppd tppp tptp ttcn ttcp tton ttop tttt