-ey bbb bbd bbe bbi bbk bbn bbo bby bdb bdd bde bdi bdk bdo bdy be- beb bed bee bei bek ben beo bey bi- bib bid bie bii bik bin bio biy bkb bke bkk bkn bko bnb bnd bne bni bnk bnn bno bob bod boe boi bok bon boo boy by- byd bye byi byk byn byo dbb dbd dbe dbi dbk dbn dbo dby ddb ddd dde ddi ddk ddn ddo ddy de- deb ded dee dei dek den deo dey di- dib did die dii dik din dio diy dkb dke dki dkk dko dnb dnd dne dni dnk dnn dno dny dob dod doe doi dok don doo doy dy- dyb dyd dye dyk dyn dyo dyy ebb ebd ebe ebi ebk ebn ebo eby ed- edb edd ede edi edk edn edo edy eeb eed eee eek een eeo eey eib eid eie eii eik ein eio ekb ekd eke eki eko eky en- enb end ene eni enk enn eno eny eo- eob eod eoe eoi eok eon eoo eyd eye eyn eyo i-d ibb ibd ibe ibi ibk ibn ibo iby idb idd ide idi idk idn ido idy ie- ied iee iei iek ien iey iib iid iie iii iin iio ikb ike iki ikk iko in- inb ind ine ini ink inn ino iny io- iob iod ioe ioi ion ioo iye iyo iyy kbb kbd kbe kbi kbk kbn kbo kdb kde kdk kdo kdy ke- keb ked kee kei kek ken keo key kib kid kie kii kik kin kio kkb kke kki kkk kkn kky kn- knd kne kni knk knn kno kob kod koe koi kok kon koo koy kyd kye kyn kyo n-i nbb nbd nbe nbi nbk nbn nbo ndb ndd nde ndi ndk ndn ndo ndy ne- neb ned nee nei nek nen neo ney nib nid nie nii nik nin nio nke nki nkk nkn nko nky nnb nne nni nnk nnn nno no- nob nod noe noi nok non noo noy nyd nye nyk nyn nyo nyy o-i ob- obb obd obe obi obk obn obo oby odb odd ode odi odn odo oeb oed oee oei oen oeo oey oib oid oie oii oik oin oio okb okd oke oki okk oko on- onb ond one oni onk onn ono ony oo- oob ood ooi ook oon ooo oyd oye oyi oyo ybe ybi yby yde ydn ydo ydy yeb yed yee yei yek yen yeo yey yid yie yii yin yio yki ykk ykn ynd yne ynk ynn yny yob yod yoe yoi yok yon yoo yoy yyb yye yyy