b-u bbb bbg bbi bbk bbn bbo bbu bgb bgg bgi bgk bgn bgo bgu bi- bib big bii bik bin bio biu bkb bkg bkk bkn bko bnb bng bni bnk bnn bno bnu bob bog boi bok bon boo bou bub bug bui buk bun buo buu gbg gbi gbk gbn gbo gbu ggb ggg ggi ggn ggo ggu gib gig gii gik gin gio giu gkb gkn gko gnb gni gnn gno gnu gob gog goi gok gon goo gou gu- gub gug gui guk gun guo guu ibb ibg ibi ibk ibn ibo ibu igb igg igi igk ign igo igu iib iii iin iio iiu ikb iki ikk iko iku in- inb ing ini ink inn ino inu io- iob iog ioi ion ioo iou iu- iub iug iui kbb kbi kbk kbn kbo kbu kgb kgi kgo kgu kib kig kii kik kin kio kiu kkb kki kkk kkn kku kn- kng kni knk knn kno knu kob kog koi kok kon koo kou kub kug kui kuk kun kuu n-i nbb nbg nbi nbk nbn nbo nbu ngb ngg ngi ngk ngn ngo ngu nib nig nii nik nin nio niu nki nkk nkn nko nku nnb nng nni nnk nnn nno nnu no- nob nog noi nok non noo nou nub nug nui nuk nun nuo nuu o-i ob- obb obg obi obk obn obo obu ogg ogi ogn ogo oib oii oik oin oio oiu okb okg oki okk oko oku on- onb ong oni onk onn ono onu oo- oob oog ooi ook oon ooo ou- oui ouk oun ouo ubb ubg ubi ubk ubn ubo ubu ugb ugg ugi ugk ugn ugo ugu uib uig uii uin uio uiu ukb uki ukk ukn uku un- unb ung uni unk unn uno unu uob uog uok uon uoo uug uun uuu