bbb bbc bbm bbo bbs bcb bcc bcj bcm bco bcs bjc bjj bjm bjs bmb bmc bmj bmm bmo bms bob boc boj bom boo bos bsb bsc bsj bsm bso bss c-- c-j cbb cbc cbj cbm cbo cbs ccb ccc ccj ccm cco ccs cjb cjc cjs cmb cmc cmj cmm cmo cms co- cob coc coj com coo cos csb csc csj csm cso css jbc jbj jbm jbo jbs jcb jcc jcm jco jcs jjb jjc jjj jjs jmb jmc jmj jmm jmo jms job joc joj jom joo jos jsb jsc jsj jsm jso jss m-o mbb mbc mbj mbm mbo mbs mc- mcb mcc mcm mco mcs mjb mjc mjj mjm mjs mmb mmc mmj mmm mmo mms mob moc mom moo mos msb msc msj msm mso mss ob- obb obc obj obm obo obs oc- ocb occ ocj ocm oco ocs ojb ojc ojm ojo ojs om- omb omc omj omm omo oms oo- oob ooc oom ooo oos os- osb osc osj osm oso oss sbb sbc sbj sbm sbo sbs scb scc scj scm sco scs sjb sjc sjj sjm sjs smb smc smm smo sms sob soc soj som soo sos ss- ssb ssc ssj ssm sso sss