c-- ccc ccn ccr ccs ccu cn- cnc cnn cnr cns cnu cny crc crn crr crs cru cry csc csn csr css csu csy cuc cun cur cus cuu cuy cyc cyn cyr cys ncc ncn ncr ncs ncu nnc nnn nns nnu nrc nrn nrr nrs nru nry nsc nsn nsr nss nsu nsy nuc nun nur nus nuu nuy nyc nyn nys nyu nyy rcc rcn rcr rcs rcu rnc rnn rnr rns rnu rny rrc rrn rrr rrs rru rsc rsn rsr rss rsu ruc run rur rus ruu ruy ry- ryc ryn ryr rys ryu ryy scc scn scr scs scu snc snn snr sns snu sny sr- src srn srr srs sry ss- ssc ssn ssr sss ssu suc sun sur sus suu suy sy- syc syn syr sys syu ucc ucn ucr ucs ucu un- unc unn unr uns unu uny ur- urc urn urr urs uru ury usc usn usr uss usu uuc uun uur uus uuu uyc uys uyu ycc ycs ycu ycy ynn yns ynu yny yrc yrn yrs yru ysc ysr yss ysu ysy yun yur yus yuu yuy yyc yys yyu yyy