bbb bbh bbm bbo bbs bby bhb bhh bhm bho bhs bmb bmh bmm bmo bms bob boh bom boo bos boy bsb bsh bsm bso bss bsy by- byh bym byo bys hbb hbh hbm hbo hbs hby hhb hhh hhm hho hhs hhy hmb hmh hmm hmo hms hmy hob hoh hom hoo hos hoy hsb hsh hsm hss hsy hy- hyb hyh hym hyo hys hyy m-o mbb mbh mbm mbo mbs mhh mhm mho mhs mmb mmh mmm mmo mms mob moh mom moo mos moy msb msh msm mso mss msy my- myb myh mym myo mys ob- obb obh obm obo obs oby ohh ohm oho ohs om- omb omh omm omo oms omy oo- oob ooh oom ooo oos os- osb osh osm oso oss oyo oys sbb sbh sbm sbo sbs sby sh- shb shh shm sho shs shy smb smh smm smo sms smy sob soh som soo sos soy ss- ssb ssh ssm sso sss sy- syb syh sym sys ybm ybs yby yhs ymm ymo yms yob yom yoo yos yoy ysb ysm yso yss ysy yyb yys yyy