cccc ccnc ccnr ccny ccoc ccrc ccrt cctc cctt cnco cnrc cnrr cnrt cntc cntr coco coct con- conc conn cono cont cony coon coot cor- corc corn coro corr cort cory cotc cotn coto cott coty coxy coyn coyo coyr coyt crcc crcr croc cron croo cror crot croy crrt crtc cry- cryn cryo ctor ctot ctrc ctrn cttn cxro cxxx cyc- cycc cyn- cyno cyon cyrt cyt- cyto cyy- cyyc cyyn nccc nccn nccr ncct ncnc ncoc ncor ncrc nctc nctr nnnn nnot nntn noco noct non- nonn nono nont nonx noo- noon nooo noor noot nor- norc norn noro norr nort nory not- noto nott noyo noyt nroc nron nrrc ntcc ntrc ntto nttr nycc nyco nycy nynt nyny nyon nyro nytc occc occn occt ocon ocro ocrr oct- octo octy onc- onco onct onno onon onor onoy ont- ontc onto onyx oocr oont oooo oort oory ooty orco ornc orno orny oro- oron oror orot oroy orro orry ortc orto oryx oto- oton otoo otor otoy otro otry otto otyr oxo- oxon oxox oxxo oxy- oxyn oynt oyon rccc rcnr rcon rctc rcyc rnco rnnt rnot rocc roco ronc rono ront rony roon roor root roox rorc roro rort rory rotc rotn roto rotr rott roty roxo roxy royn royt rrrr rtcc rynn rynt ryon ryot rytt ryyt tccc tcnn tcon tctc tncc to-y toco tonn tono tony toon toor toot torc torn toro torr tort torx tory totc toto totr tott toty tox- toxo toxt toyn toyo toyt trcc trno troc tron troo trot trox troy trtc trtr try- tryo ttcn tton ttoy tttt txcn txtr tyco tynt tyny tyr- tyro tyrr tyto tytt tyty tyxt tyyn xcon xnty xoco xorn xoro xoxo xoyo xtro xtry xxxo xxxx xxxy xyr- yccc yctc ynon ynot yono yont yoon yoot yorn yoro yort yory yott yoyn yoyo yron yryn yyyy