bbb bbd bbi bbk bbn bbo bby bdb bdd bdi bdk bdo bdy bi- bib bid bii bik bin bio biy bkb bkk bkn bko bnb bnd bni bnk bnn bno bob bod boi bok bon boo boy by- byd byi byk byn byo dbb dbd dbi dbk dbn dbo dby ddb ddd ddi ddk ddn ddo ddy di- dib did dii dik din dio diy dkb dki dkk dko dnb dnd dni dnk dnn dno dny dob dod doi dok don doo doy dy- dyb dyd dyk dyn dyo dyy i-d ibb ibd ibi ibk ibn ibo iby idb idd idi idk idn ido idy iib iid iii iin iio ikb iki ikk iko in- inb ind ini ink inn ino iny io- iob iod ioi ion ioo iyo iyy kbb kbd kbi kbk kbn kbo kdb kdk kdo kdy kib kid kii kik kin kio kkb kki kkk kkn kky kn- knd kni knk knn kno kob kod koi kok kon koo koy kyd kyn kyo n-i nbb nbd nbi nbk nbn nbo ndb ndd ndi ndk ndn ndo ndy nib nid nii nik nin nio nki nkk nkn nko nky nnb nni nnk nnn nno no- nob nod noi nok non noo noy nyd nyk nyn nyo nyy o-i ob- obb obd obi obk obn obo oby odb odd odi odn odo oib oid oii oik oin oio okb okd oki okk oko on- onb ond oni onk onn ono ony oo- oob ood ooi ook oon ooo oyd oyi oyo ybi yby ydn ydo ydy yid yii yin yio yki ykk ykn ynd ynk ynn yny yob yod yoi yok yon yoo yoy yyb yyy