c-- ccc ccn cco ccr ccu cn- cnc cnn cno cnr cnu cny co- coc con coo cor cou coy crc crn cro crr cru cry cuc cun cuo cur cuu cuy cyc cyn cyo cyr ncc ncn nco ncr ncu nnc nnn nno nnu no- noc non noo nor nou noy nrc nrn nro nrr nru nry nuc nun nuo nur nuu nuy nyc nyn nyo nyu nyy oc- occ ocn oco ocr ocu on- onc onn ono onr onu ony oo- ooc oon ooo oor or- orc orn oro orr oru ory ou- ouc oun ouo our oyo rcc rcn rco rcr rcu rnc rnn rno rnr rnu rny roc ron roo ror rou roy rrc rrn rrr rru ruc run ruo rur ruu ruy ry- ryc ryn ryo ryr ryu ryy ucc ucn uco ucr ucu un- unc unn uno unr unu uny uoc uon uoo uor ur- urc urn uro urr uru ury uuc uun uur uuu uyc uyo uyu ycc yco ycu ycy ynn ynu yny yoc yon yoo yor you yoy yrc yrn yro yru yun yuo yur yuu yuy yyc yyu yyy