c-- ccc ccm cco ccs ccu cmc cmm cmo cms cmu cmy co- coc com coo cos cou coy csc csm cso css csu csy cuc cum cuo cus cuu cuy cyc cym cyo cys m-o mc- mcc mcm mco mcs mcu mmc mmm mmo mms mmu moc mom moo mos mou moy msc msm mso mss msu msy muc mum mus muu muy my- myc mym myo mys myu oc- occ ocm oco ocs ocu om- omc omm omo oms omu omy oo- ooc oom ooo oos os- osc osm oso oss osu ou- ouc oum ouo ous oyo oys scc scm sco scs scu smc smm smo sms smu smy soc som soo sos sou soy ss- ssc ssm sso sss ssu suc sum suo sus suu suy sy- syc sym sys syu ucc ucm uco ucs ucu um- umc umm umo ums umu uoc uom uoo uos usc usm uso uss usu uuc uum uus uuu uyc uyo uys uyu ycc yco ycs ycu ycy ymc ymm ymo yms yoc yom yoo yos you yoy ysc ysm yso yss ysu ysy yum yuo yus yuu yuy yyc yys yyu yyy