-ol bbb bbg bbi bbk bbl bbn bbo bbr bgb bgg bgi bgk bgl bgn bgo bgr bi- bib big bii bik bil bin bio bir bkb bkg bkk bkl bkn bko bkr blb blg bli blk bll bln blo blr bnb bng bni bnk bnl bnn bno bnr bob bog boi bok bol bon boo bor brb brg bri brk brl brn bro brr gbg gbi gbk gbl gbn gbo gbr ggb ggg ggi ggn ggo ggr gib gig gii gik gil gin gio gir gkb gkn gko glb glg gli glk gll gln glo glr gnb gni gnl gnn gno gnr gob gog goi gok gol gon goo gor grb grg gri grk grl grn gro grr ibb ibg ibi ibk ibl ibn ibo ibr igb igg igi igk igl ign igo igr iib iii iil iin iio iir ikb iki ikk ikl iko ikr il- ilb ilg ili ilk ill iln ilo ilr in- inb ing ini ink inl inn ino inr io- iob iog ioi iol ion ioo ior ir- irb irg iri irk irl irn iro irr kbb kbi kbk kbl kbn kbo kbr kgb kgi kgl kgo kib kig kii kik kil kin kio kir kkb kki kkk kkl kkn kkr kl- klb klg kli klo klr kn- kng kni knk knl knn kno knr kob kog koi kok kol kon koo kor krg kri krk krl krn kro krr lbb lbg lbi lbk lbl lbo lbr lgb lgg lgi lgk lgl lgn lgo lgr lib lig lii lik lil lin lio lir lkb lkg lkl lkr llb llg lli llk lll lln llo llr lnb lng lni lnk lnl lnn lno lnr lob log loi lok lol lon loo lor lrb lrg lri lrk lrn lro lrr n-i nbb nbg nbi nbk nbl nbn nbo nbr ngb ngg ngi ngk ngl ngn ngo nib nig nii nik nil nin nio nir nki nkk nkn nko nkr nlb nlg nli nlk nll nln nlo nlr nnb nng nni nnk nnl nnn nno no- nob nog noi nok nol non noo nor nrb nrg nri nrk nrl nrn nro nrr o-i ob- obb obg obi obk obl obn obo obr ogg ogi ogl ogn ogo oib oii oik oil oin oio oir okb okg oki okk okl oko okr olb olg oli olk oll oln olo on- onb ong oni onk onl onn ono onr oo- oob oog ooi ook ool oon ooo oor or- orb org ori ork orl orn oro orr rbb rbg rbi rbk rbl rbn rbo rbr rgb rgg rgi rgk rgn rgo rgr rib rig rii rik ril rin rio rir rkb rkg rkk rko rlg rli rll rln rlo rlr rnb rng rni rnn rno rnr rob rog roi rok rol ron roo ror rrb rrg rri rrk rrl rrn rrr