-ol bbb bbd bbf bbi bbl bbo bbr bdb bdd bdf bdi bdl bdo bdr bfb bfd bff bfi bfl bfo bfr bi- bib bid bif bii bil bio bir blb bld blf bli bll blo blr bob bod bof boi bol boo bor brb brd brf bri brl bro brr dbb dbd dbf dbi dbl dbo dbr ddb ddd ddf ddi ddl ddo ddr dfb dfd dff dfi dfl dfo dfr di- dib did dif dii dil dio dir dl- dlb dld dlf dli dll dlo dlr dob dod dof doi dol doo dor drb drd dri drl dro drr fbb fbd fbf fbi fbl fbo fbr fdb fdd fdf fdi fdl fdo fdr ffd fff ffi ffl ffo ffr fib fid fif fii fil fir flb fld flf fli fll flo flr fob fof foi fol foo for frb frd frf fri frl fro frr i-d i-f ibb ibd ibf ibi ibl ibo ibr idb idd idf idi idl ido idr ifb ifd iff ifi ifl ifo ifr iib iid iif iii iil iio iir il- ilb ild ilf ili ill ilo ilr io- iob iod iof ioi iol ioo ior ir- irb ird irf iri irl iro irr lbb lbd lbf lbi lbl lbo lbr ldb ldd ldf ldi ldl ldo ldr lfb lfd lff lfi lfl lfo lfr lib lid lif lii lil lio lir llb lld llf lli lll llo llr lob lod lof loi lol loo lor lrb lrd lrf lri lro lrr o-i ob- obb obd obf obi obl obo obr odb odd odf odi odl odo odr of- ofb ofd off ofi ofl ofo ofr oib oid oif oii oil oio oir olb old olf oli oll olo oo- oob ood oof ooi ool ooo oor or- orb ord orf ori orl oro orr rbb rbd rbf rbi rbl rbo rbr rdb rdd rdf rdi rdl rdo rdr rfb rfd rff rfi rfl rfo rfr rib rid rif rii ril rio rir rld rlf rli rll rlo rlr rob rod rof roi rol roo ror rrb rrd rrf rri rrl rrr