c-- ccc ccn ccr ccu cn- cnc cnn cnr cnu cny crc crn crr cru cry cuc cun cur cuu cuy cyc cyn cyr ncc ncn ncr ncu nnc nnn nnu nrc nrn nrr nru nry nuc nun nur nuu nuy nyc nyn nyu nyy rcc rcn rcr rcu rnc rnn rnr rnu rny rrc rrn rrr rru ruc run rur ruu ruy ry- ryc ryn ryr ryu ryy ucc ucn ucr ucu un- unc unn unr unu uny ur- urc urn urr uru ury uuc uun uur uuu uyc uyu ycc ycu ycy ynn ynu yny yrc yrn yru yun yur yuu yuy yyc yyu yyy