bbb bbg bbh bbo bbs bby bgb bgg bgh bgo bgs bhb bhg bhh bho bhs bob bog boh boo bos boy bsb bsg bsh bso bss bsy by- byg byh byo bys gbg gbh gbo gbs gby ggb ggg ggh ggo ggs ghb ghg ghh gho ghs gob gog goh goo gos goy gsb gsg gso gss gy- gyb gyo gys hbb hbg hbh hbo hbs hby hgb hgg hgh hgo hgs hgy hhb hhg hhh hho hhs hhy hob hog hoh hoo hos hoy hsb hsg hsh hss hsy hy- hyb hyg hyh hyo hys hyy ob- obb obg obh obo obs oby ogg ogh ogo ogs ogy ohg ohh oho ohs oo- oob oog ooh ooo oos os- osb osg osh oso oss oyo oys sbb sbg sbh sbo sbs sby sgb sgg sgh sgo sgs sh- shb shg shh sho shs shy sob sog soh soo sos soy ss- ssb ssg ssh sso sss sy- syb syg syh sys ybg ybs yby ygo yhs yob yog yoo yos yoy ysb ysg yso yss ysy yyb yyg yys yyy