-ol bbb bbi bbl bbn bbo bbr bbx bi- bib bii bil bin bio bir bix blb bli bll bln blo blr blx bnb bni bnl bnn bno bnr bnx bob boi bol bon boo bor box brb bri brl brn bro brr brx bxb bxi bxl bxn bxo bxx ibb ibi ibl ibn ibo ibr ibx iib iii iil iin iio iir iix il- ilb ili ill iln ilo ilr ilx in- inb ini inl inn ino inr inx io- iob ioi iol ion ioo ior ir- irb iri irl irn iro irr irx ixi ixl ixn lbb lbi lbl lbo lbr lbx lib lii lil lin lio lir lix llb lli lll lln llo llr lnb lni lnl lnn lno lnr lob loi lol lon loo lor lox lrb lri lrn lro lrr lxi lxo lxr lxx n-i nbb nbi nbl nbn nbo nbr nbx nib nii nil nin nio nir nix nlb nli nll nln nlo nlr nlx nnb nni nnl nnn nno no- nob noi nol non noo nor nox nrb nri nrl nrn nro nrr nrx nxl o-i ob- obb obi obl obn obo obr obx oib oii oil oin oio oir olb oli oll oln olo on- onb oni onl onn ono onr onx oo- oob ooi ool oon ooo oor oox or- orb ori orl orn oro orr orx ox- oxb oxi oxn oxo oxx rbb rbi rbl rbn rbo rbr rbx rib rii ril rin rio rir rix rli rll rln rlo rlr rnb rni rnn rno rnr rob roi rol ron roo ror rox rrb rri rrl rrn rrr rxr xbl xbr xbx xii xin xio xix xlb xli xlr xno xoi xon xoo xor xox xrx xxi xxl xxo xxx