c-cd cccc ccci cccp cccu ccdc ccdi ccdp ccdr ccic ccid ccii ccip ccir ccoc ccod ccpp ccpr ccrc ccri ccrp ccrt cctc cctt ccuc ccup ccut cd-r cddr cdic cdii cdio cdot cicc cici cico cicr cict cicu cidc cidi cidp cidr cidt ciid ciii ciit cior cipo cipp circ ciri ciro cirr cirt citi cito citp citt citu ciuc ciup coco cocp coct cocu codd codi coip coir coit cood coop coot copd copi copo copp copr copt cor- corc cord cori coro corp corr cort cotc coti coto cott cotu coud coup cour cout cpcu cpic cpio cppd cpri cprt cptp cptr crcc crcr crdc cric crip crit criu croc crod croo crop cror crot crpc crrt crtc crtp crud crup crut ctcp ctic ctor ctot ctpo ctpp ctrc ctrp cucc cuci cudi cui- cuir cuit cupo cupp cupr curd curi curo curr curt cut- cutc cuto cutt dccc dcci dccp dcct dccu dcii dcio dcop dcpo dctc dcup dddd ddoc ddot ddpo ddrc dici dico dict didi dido didu diii dioc diop dior diot diou dipc dipo dipp dipt dipu dird dirr dirt diti dito ditt doci doco doct docu dod- dodd dodi dodo doid doit dood doop door doot dopo dopp dopr dopt dorc dord dori doro dorp dorr dort doru dotd doti doto dott douc doud doup dour dout dpci dpcp dpdt dppc dric drip drit drod drop drot drou drui drup drut druu dtcc dtdp dtor dtot dttp duco duct dudd dudo dudu duid duir duit duo- dupo duri duro durt duru dutp duur duut iccc icci icco iccp iccr icct iccu icdc icdd icdp icoc icod icor icpc icpd icpo icrc icrr icrt icru ictp icup idcr iddo idic idid idio idir idoc idrc idro idtp iduo iicd iiii iiio iiit iioi iioo iiop iirc iitr iitt iiuc ioci iocp iod- iodd iodo ioii ioio ioit iooi iooo iori ioto ipcc ipct ipdc ipdi ipid ipod ipop ippc ippo ippr ipri iptc ipto ipur iput ircc ircd ircu irdc irdo irdp iri- iric irid irio irip iroc irod irop irpc irrc irri irti irtp itdo itic itoi itoo itor itou itpc itri itto itup itur iucc iuiu iupp occc occi occt ocpd ocpp ocro ocrr oct- octi octo ocur odci oddd oddi odic odio odir odiu odoo odop odor odot odou odrp odtu odur oici oido oiii oipc oirt oitc oiti oocr oodi ooid oooo oord oort ootp opic opii opio opit opo- opor oppi oppo opti opto orci orco ordo ordu ori- oric orid orio orit oro- oror orot orpc orpi orri orro ortc orto orup otcd otic otit oto- otoo otor otpp otro otti otto ottu otur oucc oudc ouii ouir ouit our- ouro ourt out- outi outo ouu- pccc pcip pcod pcpp pcrc pcrd pdci pdcp pdic pdoc pdpr pdrc pdtc picc pici pico picr pict picu pido piip piot pipi pipo pipp pirc piri piro pirr piru piti pito pitr pitt pitu pocd poco pod- podd podi podo podu poid poio pood poop poor poot pop- popc popi popo popp popt porc pori poro porr port potc potd poti poto pott potu poud poui poup pour pout ppcc ppcd ppci ppic ppid ppod pppd pppo pppp pprc ppru pptt ppur prcc prcd prcp pri- prid prii pro- proc prod proo prop prot prou prpd prrd prri prtc prti prtp prtr prud prut pruu ptcc ptdc ptop ptpd ptrd pttc ptui pudo pudu puid puir puit puiu pupi pupu pur- puri puro purp purr puru put- puti puto putt putu puuc rccc rcdc rcic rcid rcpd rcpi rcpo rcpt rcrd rctc rcti rdio rdoc rdpc ricc rico rict ridc ridd ridi rido riot riou ripd ripi ripp ripr ript riri riti rito ritt ritu rocc roco rodd rodi rodo roid roio roir roit roiu rood rooi roop roor root ropo rorc rori roro rort roru rotc roti roto rotr rott roud roup rout rpdp rpii rptd rrrr rtcc rtdt rttp ruci ruct rudd rudi rudo rudp ruid ruit rupp rupt rurc rurd ruri ruro rurp ruru ruti ruto rutt rutu ruud tccc tccu tcdd tcpo tctc tdor tdri ticc tico tidc tidd tiit tiiu tiop tiou tip- tipc tipi tipo tipp tipt tipu tird tiri tiro tirr tiru titc titi tito titp titt titu toci toco todd todi todo todt todu toid toit tood toor toot top- topd topi topo topp topt topu torc tord tori toro torp torr tort toru totc totd toti toto totr tott toui toup tour tout tpcd tpcp tpdu tpir tppd tppp tppr tptp tptr tput trcc tri- tric trio trip trit troc trod troi troo trop trot trou trpc trpp trtc trtr truc trud trut truu ttcp ttop tttt tucc tuco tudi tudu tuit tuiu tuor tupi tupo tupu turc turd turi turo turp turr turt turu tuti tuto tutt tutu tuuo u-rp ucci uccp ucdc ucdd ucio ucrc ucut uddi udic udid udir udoo udop udot udpd uipi uirr uocc uor- upci updo upic upor uppc uppp uppu upri upto upup urci urdu uric uriu uro- uroo urpo urri urup urur urut utid utor utpd utri utti utto uttu uucp uuoc uuri uuuu