c-- ccc ccn cco ccr ccs cct cn- cnc cnn cno cnr cns cnt cny co- coc con coo cor cos cot coy crc crn cro crr crs crt cry csc csn cso csr css cst csy ctc ctn cto ctr cts ctt cty cyc cyn cyo cyr cys cyt ncc ncn nco ncr ncs nct nnc nnn nno nns nnt no- noc non noo nor nos not noy nrc nrn nro nrr nrs nrt nry nsc nsn nso nsr nss nst nsy ntc ntn nto ntr nts ntt nyc nyn nyo nys nyt nyy oc- occ ocn oco ocr ocs oct on- onc onn ono onr ons ont ony oo- ooc oon ooo oor oos oot or- orc orn oro orr ors ort ory os- osc osn oso osr oss ost ot- otc otn oto otr ots ott oyo oys rcc rcn rco rcr rcs rct rnc rnn rno rnr rns rnt rny roc ron roo ror ros rot roy rrc rrn rrr rrs rrt rsc rsn rso rsr rss rst rtc rtn rto rtr rts rtt rty ry- ryc ryn ryo ryr rys ryy scc scn sco scr scs sct snc snn sno snr sns snt sny soc son soo sor sos sot soy sr- src srn sro srr srs srt sry ss- ssc ssn sso ssr sss sst stc stn sto str sts stt sty sy- syc syn syr sys syt tcc tcn tco tcr tcs tct tnc tnn tno tnr tns tnt to- toc ton too tor tos tot toy trc trn tro trr trs trt try tsc tsn tso tsr tss tst tsy ttc ttn tto ttr tts ttt tty tyc tyn tyo tyr tys tyt ycc yco ycs ycy ynn yns yny yoc yon yoo yor yos yot yoy yrc yrn yro yrs yrt ysc yso ysr yss yst ysy ytc ytn yto ytr yts ytt yyc yys yyt yyy