c-- ccc ccm ccn cco ccs ccu cmc cmm cmn cmo cms cmu cn- cnc cnm cnn cno cns cnu co- coc com con coo cos cou csc csm csn cso css csu cuc cum cun cuo cus cuu m-o mc- mcc mcm mcn mco mcs mcu mmc mmm mmn mmo mms mmu mnc mnm mnn mno mns mnu moc mom mon moo mos mou msc msm msn mso mss msu muc mum mun mus muu ncc ncm ncn nco ncs ncu nmc nmm nmn nmo nms nmu nnc nnm nnn nno nns nnu no- noc nom non noo nos nou nsc nsm nsn nso nss nsu nuc num nun nuo nus nuu oc- occ ocm ocn oco ocs ocu om- omc omm omn omo oms omu on- onc onn ono ons onu oo- ooc oom oon ooo oos os- osc osm osn oso oss osu ou- ouc oum oun ouo ous scc scm scn sco scs scu smc smm smn smo sms smu snc snm snn sno sns snu soc som son soo sos sou ss- ssc ssm ssn sso sss ssu suc sum sun suo sus suu ucc ucm ucn uco ucs ucu um- umc umm umn umo ums umu un- unc unm unn uno uns unu uoc uom uon uoo uos usc usm usn uso uss usu uuc uum uun uus uuu