cccc ccci cccl ccic ccii ccil ccir cclc ccli ccoc ccrc ccri ccrl ccrt cctc cctl cctt cicc cici cico cicr cict ciii ciit cili cill cilo cilt cior circ ciri cirl ciro cirr cirt citi citl cito citt clic clii clio clir clit cloo clor clot clri clro cltc coco coct coil coir coit col- coli coll colo colt cool coot cor- corc cori corl coro corr cort cotc coti coto cott crcc crcr cric crit croc crol croo cror crot crrt crtc crtl ctic ctol ctor ctot ctrc ctrl iccc icci iccl icco iccr icct icll iclr icoc icor icrc icrr icrt iiii iiio iiit iioi iioo iirc iitr iitt ilic ilio ilir ilit ill- illi illo illt iloc iloo ilot ioci ioii ioio ioit iolo iooi iooo iori ioto ircc iri- iric iril irio iroc irrc irri irti itic itil itll itoi itol itoo itor itri itto lccc lcor lcrl lctl lcto lico licr lict liii liir lili lill lilo lilt lio- lior lirc liri lirl liro lirr lirt liti litl lito litr litt llcc lllc llll lloc lloo locc loci loco loic loir loit loli loll lolo looc lool loor loot lori loro loti lotl loto lotr lott lric lroc lroi lrrc lrrr ltcc ltci lttc lttr occc occi occt oclc ocrl ocro ocrr oct- octi octo oici oiii oirt oitc oiti olcc olic olio olit olli ollo olor olot oocr oolo oooo oort orci orco ori- oric oril orio orit orlo oro- oror orot orri orro ortc orto otcl otic otit oto- otoo otor otro otti otto rccc rcic rctc rcti ricc rico rict rill rilo riol riot riri riti ritl rito ritt rocc roco roil roio roir roit roll rolo rolt rooi rool roor root rorc rori roro rort rotc roti rotl roto rotr rott rrrr rtcc rtlt tccc tctc ticc tico tiit till tilo tilr tilt tiri tirl tiro tirr titc titi tito titt tlco tlli toci toco toil toit tol- toli toll tolo tolt tool toor toot torc tori toro torr tort totc toti toto totr tott trcc trcl tri- tric tril trio trit troc troi troo trot trtc trtr tttt