cccc ccci ccic ccii ccir ccnc ccni ccnr ccoc ccrc ccri ccrt cctc cctt cicc cici cico cicr cict ciii ciit cin- cinc cini cino cint cion cior circ ciri ciro cirr cirt citi cito citt cnci cnco cnic cnrc cnrr cnrt cntc cntr coco coct coin coir coit con- conc coni conn cono cont coon coot cor- corc cori corn coro corr cort cotc coti cotn coto cott crcc crcr cric crin crit croc cron croo cror crot crrt crtc ctic ctor ctot ctrc ctrn cttn i-no iccc icci iccn icco iccr icct icnc icoc icon icor icrc icrr icrt iiii iiio iiit iino iioi iioo iirc iitr iitt inci inco incr init inni inno innr ino- inoi inon inor inot inri inro inti intn into intr ioci ioii ioio ioit ioni ionn iono iooi iooo iori ioto ircc iri- iric irin irio iroc iron irrc irri irti itic itin itno itoi iton itoo itor itri itto n-ii nccc ncci nccn nccr ncct ncit ncnc ncoc ncor ncrc ncri nctc nctr nicc nici nico niir niit nini nino nion nioo niro nirt nitc niti nito nitr nnit nnnn nnot nntn noci noco noct noin noio noir noit non- noni nonn nono nont noo- noon nooo noor noot nor- norc nori norn noro norr nort not- noti noto nott nric nroc nron nrrc ntcc ntrc ntto nttr occc occi occn occt ocin ocon ocro ocrr oct- octi octo oici oiii oint oion oirt oitc oiti onc- onco onct onic onir onit onni onno onon onor ont- ontc onti onto oocr oont oooo oort orci orco ori- oric orin orio orit ornc orni orno oro- oron oror orot orri orro ortc orto otic otin otit oto- oton otoo otor otro otti otto rccc rcic rcnr rcon rctc rcti ricc rico rict riin rinn rino rion riot riri riti rito ritt rnco rnin rnnt rnot rocc roco roin roio roir roit ronc roni rono ront rooi roon roor root rorc rori roro rort rotc roti rotn roto rotr rott rrrr rtcc tccc tcnn tcon tctc ticc tico tiit tinc tini tinn tino tint tion tiri tiro tirr titc titi tito titt tncc toci toco toit toni tonn tono toon toor toot torc tori torn toro torr tort totc toti toto totr tott trcc tri- tric trin trio trit trno troc troi tron troo trot trtc trtr ttcn tton tttt