-ol bbb bbd bbi bbl bbn bbo bbr bbt bdb bdd bdi bdl bdo bdr bdt bi- bib bid bii bil bin bio bir bit blb bld bli bll bln blo blr blt bnb bnd bni bnl bnn bno bnr bnt bob bod boi bol bon boo bor bot brb brd bri brl brn bro brr brt btb btd bti btl btn bto btr btt dbb dbd dbi dbl dbn dbo dbr dbt ddb ddd ddi ddl ddn ddo ddr ddt di- dib did dii dil din dio dir dit dl- dlb dld dli dll dlo dlr dlt dnb dnd dni dnl dnn dno dnr dnt dob dod doi dol don doo dor dot drb drd dri drl drn dro drr drt dtb dtd dti dtl dtn dto dtr dtt i-d ibb ibd ibi ibl ibn ibo ibr ibt idb idd idi idl idn ido idr idt iib iid iii iil iin iio iir iit il- ilb ild ili ill iln ilo ilr ilt in- inb ind ini inl inn ino inr int io- iob iod ioi iol ion ioo ior iot ir- irb ird iri irl irn iro irr irt itb itd iti itl itn ito itt lbb lbd lbi lbl lbo lbr lbt ldb ldd ldi ldl ldn ldo ldr ldt lib lid lii lil lin lio lir lit llb lld lli lll lln llo llr llt lnb lnd lni lnl lnn lno lnr lnt lob lod loi lol lon loo lor lot lrb lrd lri lrn lro lrr lrt ltb ltd lti ltl lto ltr ltt n-i nbb nbd nbi nbl nbn nbo nbr nbt ndb ndd ndi ndl ndn ndo ndr ndt nib nid nii nil nin nio nir nit nlb nld nli nll nln nlo nlr nlt nnb nni nnl nnn nno nnt no- nob nod noi nol non noo nor not nrb nrd nri nrl nrn nro nrr nrt ntb ntd nti ntn nto ntr ntt o-i ob- obb obd obi obl obn obo obr obt odb odd odi odl odn odo odr odt oib oid oii oil oin oio oir oit olb old oli oll oln olo olt on- onb ond oni onl onn ono onr ont oo- oob ood ooi ool oon ooo oor oot or- orb ord ori orl orn oro orr ort ot- otb otd oti otl otn oto otr ott rbb rbd rbi rbl rbn rbo rbr rbt rdb rdd rdi rdl rdn rdo rdr rdt rib rid rii ril rin rio rir rit rld rli rll rln rlo rlr rlt rnb rnd rni rnn rno rnr rnt rob rod roi rol ron roo ror rot rrb rrd rri rrl rrn rrr rrt rtb rtd rti rtl rtn rto rtr rtt tbb tbd tbi tbl tbn tbo tbr tbt tdb tdd tdi tdl tdn tdo tdr tdt tib tid tii til tin tio tir tit tld tli tll tln tlo tlr tlt tnb tnd tni tnl tnn tno tnr tnt to- tob tod toi tol ton too tor tot trb trd tri trl trn tro trr trt ttb ttd tti ttl ttn tto ttr ttt