bbb bbd bbi bbn bbo bby bdb bdd bdi bdo bdy bdz bi- bib bid bii bin bio biy biz bnb bnd bni bnn bno bnz bob bod boi bon boo boy boz by- byd byi byn byo byz bzd bzn bzo bzz dbb dbd dbi dbn dbo dby dbz ddb ddd ddi ddn ddo ddy ddz di- dib did dii din dio diy diz dnb dnd dni dnn dno dny dnz dob dod doi don doo doy doz dy- dyb dyd dyn dyo dyy dzb dzd dzi dzo i-d ibb ibd ibi ibn ibo iby ibz 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 izi izo izy izz n-i nbb nbd nbi nbn nbo ndb ndd ndi ndn ndo ndy nib nid nii nin nio niz nnb nni nnn nno nnz no- nob nod noi non noo noy noz nyd nyn nyo nyy nzb nzd nzi nzo nzz o-i ob- obb obd obi obn obo oby odb odd odi odn odo oib oid oii oin oio oiz on- onb ond oni onn ono ony oo- oob ood ooi oon ooo oyd oyi oyo ozo ozz ybi yby ybz ydn ydo ydy yid yii yin yio yiz ynd ynn yny yob yod yoi yon yoo yoy yyb yyy yyz yzb yzy zbb zby zib zid zin zio ziz znd znn zno zo- zob zod zoi zon zoo zzy zzz