-ol b-u bbb bbi bbk bbl bbn bbo bbu bi- bib bii bik bil bin bio biu bkb bkk bkl bkn bko blb bli blk bll bln blo blu bnb bni bnk bnl bnn bno bnu bob boi bok bol bon boo bou bub bui buk bul bun buo buu ibb ibi ibk ibl ibn ibo ibu iib iii iil iin iio iiu ikb iki ikk ikl iko iku il- ilb ili ilk ill iln ilo ilu in- inb ini ink inl inn ino inu io- iob ioi iol ion ioo iou iu- iub iui kbb kbi kbk kbl kbn kbo kbu kib kii kik kil kin kio kiu kkb kki kkk kkl kkn kku kl- klb kli klo klu kn- kni knk knl knn kno knu kob koi kok kol kon koo kou kub kui kuk kul kun kuu lbb lbi lbk lbl lbo lbu lib lii lik lil lin lio liu lkb lkl llb lli llk lll lln llo llu lnb lni lnk lnl lnn lno lnu lob loi lok lol lon loo lou lub lui luk lul lun luo luu n-i nbb nbi nbk nbl nbn nbo nbu nib nii nik nil nin nio niu nki nkk nkn nko nku nlb nli nlk nll nln nlo nlu nnb nni nnk nnl nnn nno nnu no- nob noi nok nol non noo nou nub nui nuk nul nun nuo nuu o-i ob- obb obi obk obl obn obo obu oib oii oik oil oin oio oiu okb oki okk okl oko oku olb oli olk oll oln olo olu on- onb oni onk onl onn ono onu oo- oob ooi ook ool oon ooo ou- oui ouk oul oun ouo ubb ubi ubk ubl ubn ubo ubu uib uii uil uin uio uiu ukb uki ukk ukl ukn uku ulb uli ulk ull uln ulo ulu un- unb uni unk unl unn uno unu uob uok uol uon uoo uun uuu