c-- ccc ccn ccr ccs cct ccu cn- cnc cnn cnr cns cnt cnu cny crc crn crr crs crt cru cry csc csn csr css cst csu csy ctc ctn ctr cts ctt ctu cty cuc cun cur cus cut cuu cuy cyc cyn cyr cys cyt ncc ncn ncr ncs nct ncu nnc nnn nns nnt nnu nrc nrn nrr nrs nrt nru nry nsc nsn nsr nss nst nsu nsy ntc ntn ntr nts ntt ntu nuc nun nur nus nut nuu nuy nyc nyn nys nyt nyu nyy rcc rcn rcr rcs rct rcu rnc rnn rnr rns rnt rnu rny rrc rrn rrr rrs rrt rru rsc rsn rsr rss rst rsu rtc rtn rtr rts rtt rtu rty ruc run rur rus rut ruu ruy ry- ryc ryn ryr rys ryu ryy scc scn scr scs sct scu snc snn snr sns snt snu sny sr- src srn srr srs srt sry ss- ssc ssn ssr sss sst ssu stc stn str sts stt stu sty suc sun sur sus sut suu suy sy- syc syn syr sys syt syu tcc tcn tcr tcs tct tcu tnc tnn tnr tns tnt trc trn trr trs trt tru try tsc tsn tsr tss tst tsu tsy ttc ttn ttr tts ttt ttu tty tuc tun tur tus tut tuu tuy tyc tyn tyr tys tyt ucc ucn ucr ucs uct ucu un- unc unn unr uns unt unu uny ur- urc urn urr urs urt uru ury usc usn usr uss ust usu utc utn utr uts utt utu uty uuc uun uur uus uut uuu uyc uys uyu ycc ycs ycu ycy ynn yns ynu yny yrc yrn yrs yrt yru ysc ysr yss yst ysu ysy ytc ytn ytr yts ytt ytu yun yur yus yut yuu yuy yyc yys yyt yyu yyy