c-- ccc ccn cco ccp ccr ccs cn- cnc cnn cno cnp cnr cns cny co- coc con coo cop cor cos coy cpc cpn cpo cpp cpr cps crc crn cro crp crr crs cry csc csn cso csp csr css csy cyc cyn cyo cyp cyr cys ncc ncn nco ncp ncr ncs nnc nnn nno nnp nns no- noc non noo nop nor nos noy npc npn npo npp npr nps nrc nrn nro nrp nrr nrs nry nsc nsn nso nsp nsr nss nsy nyc nyn nyo nyp nys nyy oc- occ ocn oco ocp ocr ocs on- onc onn ono onp onr ons ony oo- ooc oon ooo oop oor oos op- opc opn opo opp opr ops opy or- orc orn oro orp orr ors ory os- osc osn oso osp osr oss oyo oys p-p pcc pcn pco pcp pcr pcs pn- pnc pnn pno pnp pnr pns pny poc pon poo pop por pos poy ppc ppn ppo ppp ppr pps prc prn pro prp prr prs pry ps- psc psn pso psp psr pss psy py- pyc pyn pyo pyr pys rcc rcn rco rcp rcr rcs rnc rnn rno rnp rnr rns rny roc ron roo rop ror ros roy rpc rpn rpo rpp rpr rps rrc rrn rrp rrr rrs rsc rsn rso rsp rsr rss ry- ryc ryn ryo ryr rys ryy scc scn sco scp scr scs snc snn sno snp snr sns sny soc son soo sop sor sos soy spc spn spo spp spr sps spy sr- src srn sro srp srr srs sry ss- ssc ssn sso ssp ssr sss sy- syc syn syp syr sys ycc yco ycp ycs ycy ynn ynp yns yny yoc yon yoo yop yor yos yoy ypo yps yrc yrn yro yrp yrs ysc yso ysp ysr yss ysy yyc yys yyy