b-u bbb bbd bbe bbg bbi bbk bbo bbu bdb bdd bde bdg bdi bdk bdo bdu be- beb bed bee beg bei bek beo beu bgb bgd bge bgg bgi bgk bgo bgu bi- bib bid bie big bii bik bio biu bkb bke bkg bkk bko bob bod boe bog boi bok boo bou bub bud bue bug bui buk buo buu dbb dbd dbe dbg dbi dbk dbo dbu ddb ddd dde ddg ddi ddk ddo ddu de- deb ded dee deg dei dek deo deu dgd dge dgg dgi dgk dgu di- dib did die dig dii dik dio diu dkb dke dkg dki dkk dko dku dob dod doe dog doi dok doo dou dub dud due dug dui duk duo ebb ebd ebe ebg ebi ebk ebo ebu ed- edb edd ede edg edi edk edo edu eeb eed eee eeg eek eeo egb egd ege egg egi ego egu eib eid eie eig eii eik eio eiu ekb ekd eke ekg eki eko eku eo- eob eod eoe eog eoi eok eoo eou eu- eub eud eue eug eui g-d gbd gbe gbg gbi gbk gbo gbu gdb gdd gde gdi gdk gdo gdu ge- geb ged gee geg gei gek geo geu ggb ggd ggg ggi ggo ggu gib gid gie gig gii gik gio giu gkb gkd gko gob god goe gog goi gok goo gou gu- gub gud gue gug gui guk guo guu i-d ibb ibd ibe ibg ibi ibk ibo ibu idb idd ide idg idi idk ido idu ie- ied iee ieg iei iek igb igd ige igg igi igk igo igu iib iid iie iii iio iiu ikb ike iki ikk iko iku io- iob iod ioe iog ioi ioo iou iu- iub iud iue iug iui kbb kbd kbe kbi kbk kbo kbu kdb kde kdg kdk kdo kdu ke- keb ked kee keg kei kek keo kgb kgd kgi kgo kgu kib kid kie kig kii kik kio kiu kkb kke kki kkk kku kob kod koe kog koi kok koo kou kub kud kue kug kui kuk kuu o-i ob- obb obd obe obg obi obk obo obu odb odd ode odg odi odo odu oeb oed oee oeg oei oeo ogd oge ogg ogi ogo oib oid oie oii oik oio oiu okb okd oke okg oki okk oko oku oo- oob ood oog ooi ook ooo ou- oud oue oui ouk ouo ubb ube ubg ubi ubk ubo ubu udb udd ude udg udi udk udo udu ueb ued uee ueg uei ugb uge ugg ugi ugk ugo ugu uib uid uie uig uii uio uiu ukb uke uki ukk uku uob uod uoe uog uok uoo uue uug uuu