bbb bbd bbe bbg bbi bbk bbo bdb bdd bde bdg bdi bdk bdo be- beb bed bee beg bei bek beo bgb bgd bge bgg bgi bgk bgo bi- bib bid bie big bii bik bio bkb bke bkg bkk bko bob bod boe bog boi bok boo dbb dbd dbe dbg dbi dbk dbo ddb ddd dde ddg ddi ddk ddo de- deb ded dee deg dei dek deo dgd dge dgg dgi dgk di- dib did die dig dii dik dio dkb dke dkg dki dkk dko dob dod doe dog doi dok doo ebb ebd ebe ebg ebi ebk ebo ed- edb edd ede edg edi edk edo eeb eed eee eeg eek eeo egb egd ege egg egi ego eib eid eie eig eii eik eio ekb ekd eke ekg eki eko eo- eob eod eoe eog eoi eok eoo g-d gbd gbe gbg gbi gbk gbo gdb gdd gde gdi gdk gdo ge- geb ged gee geg gei gek geo ggb ggd ggg ggi ggo gib gid gie gig gii gik gio gkb gkd gko gob god goe gog goi gok goo i-d ibb ibd ibe ibg ibi ibk ibo idb idd ide idg idi idk ido ie- ied iee ieg iei iek igb igd ige igg igi igk igo iib iid iie iii iio ikb ike iki ikk iko io- iob iod ioe iog ioi ioo kbb kbd kbe kbi kbk kbo kdb kde kdg kdk kdo ke- keb ked kee keg kei kek keo kgb kgd kgi kgo kib kid kie kig kii kik kio kkb kke kki kkk kob kod koe kog koi kok koo o-i ob- obb obd obe obg obi obk obo odb odd ode odg odi odo oeb oed oee oeg oei oeo ogd oge ogg ogi ogo oib oid oie oii oik oio okb okd oke okg oki okk oko oo- oob ood oog ooi ook ooo