c-- ccc ccn cco ccr ccs ccu cn- cnc cnn cno cnr cns cnu cny co- coc con coo cor cos cou coy crc crn cro crr crs cru cry csc csn cso csr css csu csy cuc cun cuo cur cus cuu cuy cyc cyn cyo cyr cys ncc ncn nco ncr ncs ncu nnc nnn nno nns nnu no- noc non noo nor nos nou noy nrc nrn nro nrr nrs nru nry nsc nsn nso nsr nss nsu nsy nuc nun nuo nur nus nuu nuy nyc nyn nyo nys nyu nyy oc- occ ocn oco ocr ocs ocu on- onc onn ono onr ons onu ony oo- ooc oon ooo oor oos or- orc orn oro orr ors oru ory os- osc osn oso osr oss osu ou- ouc oun ouo our ous oyo oys rcc rcn rco rcr rcs rcu rnc rnn rno rnr rns rnu rny roc ron roo ror ros rou roy rrc rrn rrr rrs rru rsc rsn rso rsr rss rsu ruc run ruo rur rus ruu ruy ry- ryc ryn ryo ryr rys ryu ryy scc scn sco scr scs scu snc snn sno snr sns snu sny soc son soo sor sos sou soy sr- src srn sro srr srs sry ss- ssc ssn sso ssr sss ssu suc sun suo sur sus suu suy sy- syc syn syr sys syu ucc ucn uco ucr ucs ucu un- unc unn uno unr uns unu uny uoc uon uoo uor uos ur- urc urn uro urr urs uru ury usc usn uso usr uss usu uuc uun uur uus uuu uyc uyo uys uyu ycc yco ycs ycu ycy ynn yns ynu yny yoc yon yoo yor yos you yoy yrc yrn yro yrs yru ysc yso ysr yss ysu ysy yun yuo yur yus yuu yuy yyc yys yyu yyy