b-u bbb bbd bbg bbh bbo bbu bby bdb bdd bdg bdh bdo bdu bdy bgb bgd bgg bgh bgo bgu bhb bhd bhg bhh bho bhu bob bod bog boh boo bou boy bub bud bug buh buo buu buy by- byd byg byh byo byu dbb dbd dbg dbh dbo dbu dby ddb ddd ddg ddh ddo ddu ddy dgd dgg dgh dgu dh- dhb dhd dhh dho dhu dob dod dog doh doo dou doy dub dud dug duh duo duy dy- dyb dyd dyo dyu dyy g-d gbd gbg gbh gbo gbu gby gdb gdd gdh gdo gdu ggb ggd ggg ggh ggo ggu ghb ghd ghg ghh gho gob god gog goh goo gou goy gu- gub gud gug guo guu guy gy- gyb gyd gyo hbb hbd hbg hbh hbo hbu hby hdb hdd hdg hdh hdo hdu hdy hgb hgg hgh hgo hgu hgy hhb hhd hhg hhh hho hhu hhy hob hod hog hoh hoo hou hoy hub hud hug huh huo huu huy hy- hyb hyd hyg hyh hyo hyy ob- obb obd obg obh obo obu oby odb odd odg odh odo odu ogd ogg ogh ogo ogy ohd ohg ohh oho ohu oo- oob ood oog ooh ooo ou- oud ouh ouo oyd oyo ubb ubg ubh ubo ubu uby udb udd udg udo udu ugb ugg ugh ugo ugu uhb uhd uhh uho uhu uhy uob uod uog uoo uug uuu uyo uyu ybg yby ydg ydo ydy ygo yhu yob yod yog yoo you yoy yud yug yuh yuo yuu yuy yyb yyg yyu yyy