bbb bbd bbi bbn bbo bbr bbx bdb bdd bdi bdo bdr bdx bi- bib bid bii bin bio bir bix bnb bnd bni bnn bno bnr bnx bob bod boi bon boo bor box brb brd bri brn bro brr brx bxb bxd bxi bxn bxo bxx dbb dbd dbi dbn dbo dbr dbx ddb ddd ddi ddn ddo ddr ddx di- dib did dii din dio dir dix dnb dnd dni dnn dno dnr dob dod doi don doo dor dox drb drd dri drn dro drr drx dxd dxi dxn dxo dxr dxx i-d ibb ibd ibi ibn ibo ibr ibx idb idd idi idn ido idr idx iib iid iii iin iio iir iix in- inb ind ini inn ino inr inx io- iob iod ioi ion ioo ior ir- irb ird iri irn iro irr irx ixi ixn n-i nbb nbd nbi nbn nbo nbr nbx ndb ndd ndi ndn ndo ndr nib nid nii nin nio nir nix nnb nni nnn nno no- nob nod noi non noo nor nox nrb nrd nri nrn nro nrr nrx nxd o-i ob- obb obd obi obn obo obr obx odb odd odi odn odo odr oib oid oii oin oio oir on- onb ond oni onn ono onr onx oo- oob ood ooi oon ooo oor oox or- orb ord ori orn oro orr orx ox- oxb oxi oxn oxo oxx rbb rbd rbi rbn rbo rbr rbx rdb rdd rdi rdn rdo rdr rdx rib rid rii rin rio rir rix rnb rnd rni rnn rno rnr rob rod roi ron roo ror rox rrb rrd rri rrn rrr rxr xbr xbx xdb xdi xdr xii xin xio xix xno xod xoi xon xoo xor xox xrd xrx xxi xxo xxx