bbb bbd bbo bbr bdb bdd bdj bdo bdr bjd bjj bjr bob bod boj boo bor brb brd brj bro brr dbb dbd dbo dbr ddb ddd ddo ddr dj- djb djd djo dob dod doj doo dor drb drd drj dro drr j-d jbj jbo jbr jdb jdo jdr jjb jjj jjr job jod joj joo jor jrb jro jrr ob- obb obd obj obo obr odb odd odo odr ojb ojd ojo oo- oob ood ooo oor or- orb ord oro orr rbb rbd rbo rbr rdb rdd rdj rdo rdr rjr rob rod roj roo ror rrb rrd rrr