b-u bbb bbd bbg bbh bbo bbu bdb bdd bdg bdh bdo bdu bgb bgd bgg bgh bgo bgu bhb bhd bhg bhh bho bhu bob bod bog boh boo bou bub bud bug buh buo buu dbb dbd dbg dbh dbo dbu ddb ddd ddg ddh ddo ddu dgd dgg dgh dgu dh- dhb dhd dhh dho dhu dob dod dog doh doo dou dub dud dug duh duo g-d gbd gbg gbh gbo gbu gdb gdd gdh gdo gdu ggb ggd ggg ggh ggo ggu ghb ghd ghg ghh gho gob god gog goh goo gou gu- gub gud gug guo guu hbb hbd hbg hbh hbo hbu hdb hdd hdg hdh hdo hdu hgb hgg hgh hgo hgu hhb hhd hhg hhh hho hhu hob hod hog hoh hoo hou hub hud hug huh huo huu ob- obb obd obg obh obo obu odb odd odg odh odo odu ogd ogg ogh ogo ohd ohg ohh oho ohu oo- oob ood oog ooh ooo ou- oud ouh ouo ubb ubg ubh ubo ubu udb udd udg udo udu ugb ugg ugh ugo ugu uhb uhd uhh uho uhu uob uod uog uoo uug uuu