cccc cccf ccci cccp ccfc ccff ccfi ccic ccii ccip ccir ccoc ccpp ccpr ccrc ccrf ccri ccrp ccrt cctc cctt cfcf cfco cffr cfit cfor cfpo cfpr cfrp cfrt cftc cftr cicc cici cico cicr cict ciff ciii ciit cior cipf cipo cipp circ ciri ciro cirr cirt citf citi cito citp citt coco cocp coct cofc coff cofi coft coif coip coir coit coof coop coot copi copo copp copr copt cor- corc corf cori coro corp corr cort cotc coti coto cott cpff cpft cpic cpif cpio cpri cprt cptp cptr crcc crcr crfc cric crif crip crit croc croo crop cror crot crpc crrt crtc crtf crtp ctcf ctcp ctfc ctfo ctic ctor ctot ctpo ctpp ctrc ctrp fccf fccp fcic fcii fcot fcto ffcc ffff ffii ffrr fftf ficc fico fict fifc fiff fifi fifo fift fiii fior fipp fitc fiti fitt foci foco fofo foof foot fopp for- fori foro forr fort foti foto fotp fott fp-c fpcc fpct fprf frcc frcp frfc fric frio frip frit frop frot ft-c ftfc ftii ftop iccc iccf icci icco iccp iccr icct icoc icor icpc icpo icrc icrf icrr icrt ictp ifco ifcp ific ifit ifor ifpo ifrf ifri ifto iiii iiio iiit iioi iioo iiop iipf iirc iitr iitt ioci iocp iofc ioii ioio ioit ioof iooi iooo iori iotf ioto ipcc ipct ipfc ipop ippc ippf ippo ippr ipri iptc ipto ircc iri- iric irio irip iroc irop irpc irrc irri irtf irti irtp itic itif itof itoi itoo itor itpc itrf itri ittf itto occc occi occt ocfp ocpp ocro ocrr oct- octi octo ofcr off- offc offo offr ofit ofor oftp oici oiii oipc oirt oitc oiti oocr ooff oooo oort ootp opic opii opio opit opo- opor oppi oppo opti opto orci orco orff orfi ori- oric orif orio orit oro- orof oror orot orpc orpi orri orro ortc orto otfc otfp otic otif otit oto- otof otoo otor otpp otro otti otto pccc pcfc pcip pcpp pcrc pcrf pfff pffr pfft pfic pfit picc pici pico picr pict piff piip piot pipi pipo pipp pirc piri piro pirr pitf piti pito pitr pitt poco poff pofi poio poof poop poor poot pop- popc popi popo popp popt porc pori poro porr port potc potf poti poto pott ppcc ppci ppic ppif pppo pppp pprc pprf pptt prcc prcf prcp prfc pri- prif prii pro- proc prof proo prop prot prri prtc prti prtp prtr ptcc ptop ptrf pttc rccc rcfc rcic rcpi rcpo rcpt rctc rcti rffc rfic rftc ricc rico rict riff rift riif riot ripi ripp ripr ript riri riti rito ritt rocc roco rofc roff rofo roif roio roir roit roof rooi roop roor root ropo rorc rori roro rort rotc roti roto rotr rott rpfc rpii rpof rrfc rrif rrrr rtcc rtfc rttp tccc tcfc tcpo tctc tfot tfpt tftc tftp ticc tico tiff tifo tift tiit tiop tip- tipc tipi tipo tipp tipt tiri tiro tirr titc titi tito titp titt toci toco toff tofi tofo toft toit toof toor toot top- topf topi topo topp topt torc torf tori toro torp torr tort totc toti toto totr tott tpcp tpir tppp tppr tptp tptr trcc trfc trfr tri- tric trif trio trip trit troc troi troo trop trot trpc trpp trtc trtr ttcp ttfc ttff ttop tttt