c-- ccc ccn ccr ccs cct ccz cn- cnc cnn cnr cns cnt cny crc crn crr crs crt cry crz csc csn csr css cst csy csz ctc ctn ctr cts ctt cty ctz cyc cyn cyr cys cyt cz- czc czt ncc ncn ncr ncs nct nnc nnn nns nnt nnz nrc nrn nrr nrs nrt nry nrz nsc nsn nsr nss nst nsy nsz ntc ntn ntr nts ntt ntz nyc nyn nys nyt nyy nzs nzz rcc rcn rcr rcs rct rnc rnn rnr rns rnt rny rnz rrc rrn rrr rrs rrt rsc rsn rsr rss rst rtc rtn rtr rts rtt rty rtz ry- ryc ryn ryr rys ryy ryz rzy scc scn scr scs sct snc snn snr sns snt sny sr- src srn srr srs srt sry ss- ssc ssn ssr sss sst ssz stc stn str sts stt sty stz sy- syc syn syr sys syt szr tcc tcn tcr tcs tct tnc tnn tnr tns tnt tnz trc trn trr trs trt try trz tsc tsn tsr tss tst tsy ttc ttn ttr tts ttt tty tyc tyn tyr tys tyt tzs ycc ycs ycy ynn yns yny yrc yrn yrs yrt ysc ysr yss yst ysy ysz ytc ytn ytr yts ytt yyc yys yyt yyy yyz yzr yzy zcs znc znn zns zrs zst zsz ztr zzr zzs zzt zzy zzz