cccc cccf ccci ccfc ccff ccfi ccic ccii ccir ccnc ccnf ccni ccnr ccny ccoc ccrc ccrf ccri cfcf cfcn cfco cfcy cffr cfni cfnr cfor cfrn cfry cfyn cicc cici cico cicr ciff ciii cin- cinc cinf cini cino cion cior circ ciri ciro cirr cnci cnco cnic cnrc cnrr coco cofc coff cofi coif coin coir con- conc conf coni conn cono cony coof coon cor- corc corf cori corn coro corr cory coyf coyn coyo coyr crcc crcr crfc cric crif crin croc cron croo cror croy cry- cryn cryo cyc- cycc cyfi cyn- cyno cyon cyy- cyyc cyyn fccf fcic fcii ffcc ffff ffii ffrr ficc fico fifc fiff fifi fifo fiii fini finn fino fion fior firn firy fnci foci foco fofo foin fono fony foof foon for- fori forn foro forr foyn frcc frcn frfc fric frin frio fron fyfi fynn fyry i-no iccc iccf icci iccn icco iccr icnc icoc icon icor icrc icrf icrr icry ifco iffy ific ifni ifno ifnr ifor ifrf ifri ifyo iiii iiio iino iioi iioo iirc inci inco incr incy infi info infy inni inno innr inny ino- inoi inon inor inri inro inyo ioci iofc ioii ioio ioni ionn iono ioof iooi iooo iori ircc iri- iric irin irio iriy iroc iron irrc irri iryn n-ii nccc nccf ncci nccn nccr ncfc ncnc ncoc ncor ncrc ncri nfff nfic nfon nfyc nicc nicf nici nico nicy nifc niff niir nini nino nion nioo niro niyi nnnn noci noco nofi noif noin noio noir non- noni nonn nono noo- noon nooo noor nor- norc norf nori norn noro norr nory noyo nrfc nric nroc nron nrrc nycc nyco nycy nyny nyon nyrf nyro occc occi occn ocin ocon ocro ocrr ofcr off- offc offo offr offy ofno ofor oici oiii oion oiry onc- oncf onco onic onir onni onno onon onor onoy oocr ooff oofy oooo oory orci orco orff orfi ori- oric orif orin orio ornc orni orno orny oro- orof oron oror oroy orri orro orry oyon oyri rccc rcfc rcic rcnr rcon rcyc rffc rfic ricc rico riff riif riin rinf rinn rino riny rion riri riyf riyo rnco rnin rocc roco rofc roff rofo roif roin roio roir ronc roni rono rony roof rooi roon roor rorc rori roro rory royn rrfc rrif rrrr ryff ryif rynn ryon ryyf yccc yiff yirn yirr ynon yoff yoni yono yoof yoon yori yorn yoro yory yoyn yoyo yrin yrof yron yryn yyff yyyy