b-u bbb bbd bbi bbk bbm bbn bbu bdb bdd bdi bdk bdm bdu bi- bib bid bii bik bim bin biu bkb bkk bkm bkn bmb bmd bmi bmk bmm bmn bmu bnb bnd bni bnk bnn bnu bub bud bui buk bum bun buu dbb dbd dbi dbk dbm dbn dbu ddb ddd ddi ddk ddm ddn ddu di- dib did dii dik dim din diu dkb dki dkk dkm dku dmb dmd dmi dmk dmm dmn dmu dnb dnd dni dnk dnm dnn dub dud dui duk dum dun i-d ibb ibd ibi ibk ibm ibn ibu idb idd idi idk idm idn idu iib iid iii iim iin iiu ikb iki ikk iku im- imb imd imi imm imn imu in- inb ind ini ink inm inn inu iu- iub iud iui ium kbb kbd kbi kbk kbm kbn kbu kdb kdk kdm kdu kib kid kii kik kim kin kiu kkb kki kkk kkm kkn kku kmb kmd kmi kmk kmm kmu kn- knd kni knk knm knn knu kub kud kui kuk kum kun kuu mbb mbd mbi mbk mbm mbu mdb mdd mdi mdk mdm mdn mdu mi- mib mid mii mik mim min miu mkb mkd mkk mkm mkn mku mmb mmd mmi mmk mmm mmn mmu mnb mni mnk mnm mnn mnu mub mud mui muk mum mun muu n-i nbb nbd nbi nbk nbm nbn nbu ndb ndd ndi ndk ndm ndn ndu nib nid nii nik nim nin niu nki nkk nkm nkn nku nmb nmd nmi nmk nmm nmn nmu nnb nni nnk nnm nnn nnu nub nud nui nuk num nun nuu ubb ubi ubk ubn ubu udb udd udi udk udm udn udu uib uid uii uim uin uiu ukb uki ukk ukn uku um- umb umd umi umm umn umu un- unb und uni unk unm unn unu uum uun uuu