c-- ccc ccd cck ccm ccn cco ccu cdc cdd cdk cdm cdn cdo cdu ckc ckd ckm cko cmc cmd cmk cmm cmn cmo cmu cn- cnc cnd cnm cnn cno cnu co- coc cod cok com con coo cou cuc cud cuk cum cun cuo cuu dcc dcd dck dcm dcn dco dcu ddc ddd ddk ddm ddn ddo ddu dkc dkk dkm dko dku dmc dmd dmk dmm dmn dmo dmu dnc dnd dnk dnm dnn dno doc dod dok dom don doo dou duc dud duk dum dun duo kcc kcd kck kcm kcn kcu kdc kdk kdm kdo kdu kkc kkk kkm kkn kku kmc kmd kmk kmm kmo kmu kn- knc knd knk knm knn kno knu koc kod kok kom kon koo kou kuc kud kuk kum kun kuu m-o mc- mcc mcd mck mcm mcn mco mcu mdc mdd mdk mdm mdn mdo mdu mkc mkd mkk mkm mkn mko mku mmc mmd mmk mmm mmn mmo mmu mnc mnk mnm mnn mno mnu moc mod mok mom mon moo mou muc mud muk mum mun muu ncc ncd nck ncm ncn nco ncu ndc ndd ndk ndm ndn ndo ndu nkc nkk nkm nkn nko nku nmc nmd nmk nmm nmn nmo nmu nnc nnk nnm nnn nno nnu no- noc nod nok nom non noo nou nuc nud nuk num nun nuo nuu oc- occ ocd ock ocm ocn oco ocu odc odd odm odn odo odu okc okd okk oko oku om- omc omd omm omn omo omu on- onc ond onk onn ono onu oo- ooc ood ook oom oon ooo ou- ouc oud ouk oum oun ouo ucc ucd uck ucm ucn uco ucu udc udd udk udm udn udo udu ukc ukk ukn uku um- umc umd umm umn umo umu un- unc und unk unm unn uno unu uoc uod uok uom uon uoo uuc uum uun uuu