bbb bbd bbi bbn bbo bby bdb bdd bdi bdo bdy bi- bib bid bii bin bio biy bnb bnd bni bnn bno bob bod boi bon boo boy by- byd byi byn byo dbb dbd dbi dbn dbo dby ddb ddd ddi ddn ddo ddy di- dib did dii din dio diy dnb dnd dni dnn dno dny dob dod doi don doo doy dy- dyb dyd dyn dyo dyy i-d ibb ibd ibi ibn ibo iby idb idd idi idn ido idy iib iid iii iin iio in- inb ind ini inn ino iny io- iob iod ioi ion ioo iyo iyy n-i nbb nbd nbi nbn nbo ndb ndd ndi ndn ndo ndy nib nid nii nin nio nnb nni nnn nno no- nob nod noi non noo noy nyd nyn nyo nyy o-i ob- obb obd obi obn obo oby odb odd odi odn odo oib oid oii oin oio on- onb ond oni onn ono ony oo- oob ood ooi oon ooo oyd oyi oyo ybi yby ydn ydo ydy yid yii yin yio ynd ynn yny yob yod yoi yon yoo yoy yyb yyy