c-- ccc ccm ccn cco ccp ccs cmc cmm cmn cmo cmp cms cmy cn- cnc cnm cnn cno cnp cns cny co- coc com con coo cop cos coy cpc cpm cpn cpo cpp cps csc csm csn cso csp css csy cyc cym cyn cyo cyp cys m-o mc- mcc mcm mcn mco mcp mcs mmc mmm mmn mmo mmp mms mnc mnm mnn mno mnp mns moc mom mon moo mop mos moy mpc mpm mpn mpo mpp mps msc msm msn mso msp mss msy my- myc mym myn myo mys ncc ncm ncn nco ncp ncs nmc nmm nmn nmo nmp nms nnc nnm nnn nno nnp nns no- noc nom non noo nop nos noy npc npm npn npo npp nps nsc nsm nsn nso nsp nss nsy nyc nym nyn nyo nyp nys nyy oc- occ ocm ocn oco ocp ocs om- omc omm omn omo omp oms omy on- onc onn ono onp ons ony oo- ooc oom oon ooo oop oos op- opc opm opn opo opp ops opy os- osc osm osn oso osp oss oyo oys p-p pcc pcm pcn pco pcp pcs pmc pmm pmn pmo pmp pms pn- pnc pnm pnn pno pnp pns pny poc pom pon poo pop pos poy ppc ppm ppn ppo ppp pps ps- psc psm psn pso psp pss psy py- pyc pym pyn pyo pys scc scm scn sco scp scs smc smm smn smo smp sms smy snc snm snn sno snp sns sny soc som son soo sop sos soy spc spm spn spo spp sps spy ss- ssc ssm ssn sso ssp sss sy- syc sym syn syp sys ycc yco ycp ycs ycy ymc ymm ymo yms ynn ynp yns yny yoc yom yon yoo yop yos yoy ypo yps ysc ysm yso ysp yss ysy yyc yys yyy