bbb bbd bbi bbl bbn bdb bdd bdi bdl bi- bib bid bii bil bin blb bld bli bll bln bnb bnd bni bnl bnn dbb dbd dbi dbl dbn ddb ddd ddi ddl ddn di- dib did dii dil din dl- dlb dld dli dll dnb dnd dni dnl dnn i-d ibb ibd ibi ibl ibn idb idd idi idl idn iib iid iii iil iin il- ilb ild ili ill iln in- inb ind ini inl inn lbb lbd lbi lbl ldb ldd ldi ldl ldn lib lid lii lil lin llb lld lli lll lln lnb lnd lni lnl lnn n-i nbb nbd nbi nbl nbn ndb ndd ndi ndl ndn nib nid nii nil nin nlb nld nli nll nln nnb nni nnl nnn