-ol b-u bbb bbg bbk bbl bbn bbo bbu bgb bgg bgk bgl bgn bgo bgu bkb bkg bkk bkl bkn bko blb blg blk bll bln blo blu bnb bng bnk bnl bnn bno bnu bob bog bok bol bon boo bou bub bug buk bul bun buo buu gbg gbk gbl gbn gbo gbu ggb ggg ggn ggo ggu gkb gkn gko glb glg glk gll gln glo glu gnb gnl gnn gno gnu gob gog gok gol gon goo gou gu- gub gug guk gul gun guo guu kbb kbk kbl kbn kbo kbu kgb kgl kgo kgu kkb kkk kkl kkn kku kl- klb klg klo klu kn- kng knk knl knn kno knu kob kog kok kol kon koo kou kub kug kuk kul kun kuu lbb lbg lbk lbl lbo lbu lgb lgg lgk lgl lgn lgo lgu lkb lkg lkl llb llg llk lll lln llo llu lnb lng lnk lnl lnn lno lnu lob log lok lol lon loo lou lub lug luk lul lun luo luu nbb nbg nbk nbl nbn nbo nbu ngb ngg ngk ngl ngn ngo ngu nkk nkn nko nku nlb nlg nlk nll nln nlo nlu nnb nng nnk nnl nnn nno nnu no- nob nog nok nol non noo nou nub nug nuk nul nun nuo nuu ob- obb obg obk obl obn obo obu ogg ogl ogn ogo okb okg okk okl oko oku olb olg olk oll oln olo olu on- onb ong onk onl onn ono onu oo- oob oog ook ool oon ooo ou- ouk oul oun ouo ubb ubg ubk ubl ubn ubo ubu ugb ugg ugk ugl ugn ugo ugu ukb ukk ukl ukn uku ulb ulg ulk ull uln ulo ulu un- unb ung unk unl unn uno unu uob uog uok uol uon uoo uug uun uuu