bbb bbd bbg bbo bbs bby bdb bdd bdg bdo bds bdy bgb bgd bgg bgo bgs bob bod bog boo bos boy bsb bsd bsg bso bss bsy by- byd byg byo bys dbb dbd dbg dbo dbs dby ddb ddd ddg ddo dds ddy dgd dgg dgs dob dod dog doo dos doy dsb dsd dsg dso dss dsy dy- dyb dyd dyo dys dyy g-d gbd gbg gbo gbs gby gdb gdd gdo gds ggb ggd ggg ggo ggs gob god gog goo gos goy gsb gsd gsg gso gss gy- gyb gyd gyo gys ob- obb obd obg obo obs oby odb odd odg odo ods ogd ogg ogo ogs ogy oo- oob ood oog ooo oos os- osb osd osg oso oss oyd oyo oys sbb sbd sbg sbo sbs sby sdb sdd sdg sdo sds sdy sgb sgd sgg sgo sgs sob sod sog soo sos soy ss- ssb ssd ssg sso sss sy- syb syd syg sys ybg ybs yby ydg ydo yds ydy ygo yob yod yog yoo yos yoy ysb ysg yso yss ysy yyb yyg yys yyy