-ol bbb bbi bbl bbn bbo bbr bi- bib bii bil bin bio bir blb bli bll bln blo blr bnb bni bnl bnn bno bnr bob boi bol bon boo bor brb bri brl brn bro brr ibb ibi ibl ibn ibo ibr iib iii iil iin iio iir il- ilb ili ill iln ilo ilr in- inb ini inl inn ino inr io- iob ioi iol ion ioo ior ir- irb iri irl irn iro irr lbb lbi lbl lbo lbr lib lii lil lin lio lir llb lli lll lln llo llr lnb lni lnl lnn lno lnr lob loi lol lon loo lor lrb lri lrn lro lrr n-i nbb nbi nbl nbn nbo nbr nib nii nil nin nio nir nlb nli nll nln nlo nlr nnb nni nnl nnn nno no- nob noi nol non noo nor nrb nri nrl nrn nro nrr o-i ob- obb obi obl obn obo obr oib oii oil oin oio oir olb oli oll oln olo on- onb oni onl onn ono onr oo- oob ooi ool oon ooo oor or- orb ori orl orn oro orr rbb rbi rbl rbn rbo rbr rib rii ril rin rio rir rli rll rln rlo rlr rnb rni rnn rno rnr rob roi rol ron roo ror rrb rri rrl rrn rrr