bbb bbd bbe bbi bbk bbn bbo bdb bdd bde bdi bdk bdo be- beb bed bee bei bek ben beo bi- bib bid bie bii bik bin bio bkb bke bkk bkn bko bnb bnd bne bni bnk bnn bno bob bod boe boi bok bon boo dbb dbd dbe dbi dbk dbn dbo ddb ddd dde ddi ddk ddn ddo de- deb ded dee dei dek den deo di- dib did die dii dik din dio dkb dke dki dkk dko dnb dnd dne dni dnk dnn dno dob dod doe doi dok don doo ebb ebd ebe ebi ebk ebn ebo ed- edb edd ede edi edk edn edo eeb eed eee eek een eeo eib eid eie eii eik ein eio ekb ekd eke eki eko en- enb end ene eni enk enn eno eo- eob eod eoe eoi eok eon eoo i-d ibb ibd ibe ibi ibk ibn ibo idb idd ide idi idk idn ido ie- ied iee iei iek ien iib iid iie iii iin iio ikb ike iki ikk iko in- inb ind ine ini ink inn ino io- iob iod ioe ioi ion ioo kbb kbd kbe kbi kbk kbn kbo kdb kde kdk kdo ke- keb ked kee kei kek ken keo kib kid kie kii kik kin kio kkb kke kki kkk kkn kn- knd kne kni knk knn kno kob kod koe koi kok kon koo n-i nbb nbd nbe nbi nbk nbn nbo ndb ndd nde ndi ndk ndn ndo ne- neb ned nee nei nek nen neo nib nid nie nii nik nin nio nke nki nkk nkn nko nnb nne nni nnk nnn nno no- nob nod noe noi nok non noo o-i ob- obb obd obe obi obk obn obo odb odd ode odi odn odo oeb oed oee oei oen oeo oib oid oie oii oik oin oio okb okd oke oki okk oko on- onb ond one oni onk onn ono oo- oob ood ooi ook oon ooo