bbb bbd bbi bbn bbo bbr bbt bdb bdd bdi bdo bdr bdt bi- bib bid bii bin bio bir bit bnb bnd bni bnn bno bnr bnt bob bod boi bon boo bor bot brb brd bri brn bro brr brt btb btd bti btn bto btr btt dbb dbd dbi dbn dbo dbr dbt ddb ddd ddi ddn ddo ddr ddt di- dib did dii din dio dir dit dnb dnd dni dnn dno dnr dnt dob dod doi don doo dor dot drb drd dri drn dro drr drt dtb dtd dti dtn dto dtr dtt i-d ibb ibd ibi ibn ibo ibr ibt idb idd idi idn ido idr idt iib iid iii iin iio iir iit in- inb ind ini inn ino inr int io- iob iod ioi ion ioo ior iot ir- irb ird iri irn iro irr irt itb itd iti itn ito itt n-i nbb nbd nbi nbn nbo nbr nbt ndb ndd ndi ndn ndo ndr ndt nib nid nii nin nio nir nit nnb nni nnn nno nnt no- nob nod noi non noo nor not nrb nrd nri nrn nro nrr nrt ntb ntd nti ntn nto ntr ntt o-i ob- obb obd obi obn obo obr obt odb odd odi odn odo odr odt oib oid oii oin oio oir oit on- onb ond oni onn ono onr ont oo- oob ood ooi oon ooo oor oot or- orb ord ori orn oro orr ort ot- otb otd oti otn oto otr ott rbb rbd rbi rbn rbo rbr rbt rdb rdd rdi rdn rdo rdr rdt rib rid rii rin rio rir rit rnb rnd rni rnn rno rnr rnt rob rod roi ron roo ror rot rrb rrd rri rrn rrr rrt rtb rtd rti rtn rto rtr rtt tbb tbd tbi tbn tbo tbr tbt tdb tdd tdi tdn tdo tdr tdt tib tid tii tin tio tir tit tnb tnd tni tnn tno tnr tnt to- tob tod toi ton too tor tot trb trd tri trn tro trr trt ttb ttd tti ttn tto ttr ttt