b-u bbb bbi bbk bbm bbn bbs bbu bi- bib bii bik bim bin bis biu bkb bkk bkm bkn bks bmb bmi bmk bmm bmn bms bmu bnb bni bnk bnn bns bnu bsb bsi bsk bsm bsn bss bsu bub bui buk bum bun bus buu ibb ibi ibk ibm ibn ibs ibu iib iii iim iin iis iiu ikb iki ikk iks iku im- imb imi imm imn ims imu in- inb ini ink inm inn ins inu is- isb isi isk ism isn iss isu iu- iub iui ium ius kbb kbi kbk kbm kbn kbs kbu kib kii kik kim kin kis kiu kkb kki kkk kkm kkn kks kku kmb kmi kmk kmm kms kmu kn- kni knk knm knn knu ksb ksi ksk ksm ksn kss ksu kub kui kuk kum kun kus kuu mbb mbi mbk mbm mbs mbu mi- mib mii mik mim min mis miu mkb mkk mkm mkn mks mku mmb mmi mmk mmm mmn mms mmu mnb mni mnk mnm mnn mns mnu msb msi msk msm msn mss msu mub mui muk mum mun mus muu n-i nbb nbi nbk nbm nbn nbs nbu nib nii nik nim nin nis niu nki nkk nkm nkn nks nku nmb nmi nmk nmm nmn nms nmu nnb nni nnk nnm nnn nns nnu nsb nsi nsk nsm nsn nss nsu nub nui nuk num nun nus nuu sbb sbi sbk sbm sbn sbs sbu sib sii sik sim sin sis siu sk- skb ski skk skm sks sku smb smi smk smm smn sms smu snb sni snk snm snn sns snu ss- ssb ssi ssk ssm ssn sss ssu sub sui suk sum sun sus suu ubb ubi ubk ubn ubs ubu uib uii uim uin uis uiu ukb uki ukk ukn uku um- umb umi umm umn ums umu un- unb uni unk unm unn uns unu usb usi usk usm usn uss usu uum uun uus uuu