bbb bbd bbe bbi bbn bbo bbx bdb bdd bde bdi bdo bdx be- beb bed bee bei ben beo bex bi- bib bid bie bii bin bio bix bnb bnd bne bni bnn bno bnx bob bod boe boi bon boo box bxb bxd bxi bxn bxo bxx dbb dbd dbe dbi dbn dbo dbx ddb ddd dde ddi ddn ddo ddx de- deb ded dee dei den deo dex di- dib did die dii din dio dix dnb dnd dne dni dnn dno dob dod doe doi don doo dox dxd dxi dxn dxo dxx ebb ebd ebe ebi ebn ebo ebx ed- edb edd ede edi edn edo edx eeb eed eee een eeo eex eib eid eie eii ein eio eix en- enb end ene eni enn eno eo- eob eod eoe eoi eon eoo ex- exd exe exi exo exx i-d ibb ibd ibe ibi ibn ibo ibx idb idd ide idi idn ido idx ie- ied iee iei ien iex iib iid iie iii iin iio iix in- inb ind ine ini inn ino inx io- iob iod ioe ioi ion ioo ixe ixi ixn n-i nbb nbd nbe nbi nbn nbo nbx ndb ndd nde ndi ndn ndo ne- neb ned nee nei nen neo nex nib nid nie nii nin nio nix nnb nne nni nnn nno no- nob nod noe noi non noo nox nxd o-i ob- obb obd obe obi obn obo obx odb odd ode odi odn odo oeb oed oee oei oen oeo oex oib oid oie oii oin oio on- onb ond one oni onn ono onx oo- oob ood ooi oon ooo oox ox- oxb oxi oxn oxo oxx xbe xbx xdb xde xdi xed xee xen xex xie xii xin xio xix xno xod xoi xon xoo xox xxi xxo xxx