bbb bbe bbh bbm bbo bbx be- beb bee beh bem beo bex bhb bhe bhh bhm bho bhx bmb bme bmh bmm bmo bmx bob boe boh bom boo box bxb bxm bxo bxx ebb ebe ebh ebm ebo ebx eeb eee eem eeo eex ehb ehe ehh ehm eho em- emb eme emh emm emo emx eo- eob eoe eoh eom eoo ex- exe exh exo exx hbb hbe hbh hbm hbo hbx he- heb hee heh hem heo hex hhb hhe hhh hhm hho hmb hme hmh hmm hmo hmx hob hoe hoh hom hoo hox hxm m-o mbb mbe mbh mbm mbo mbx meb mee meh mem meo mex mhh mhm mho mhx mmb mme mmh mmm mmo mmx mob moe moh mom moo mox ob- obb obe obh obm obo obx oeb oee oeh oem oeo oex ohe ohh ohm oho om- omb ome omh omm omo omx oo- oob ooh oom ooo oox ox- oxb oxo oxx xbe xbx xee xem xex xmh xmm xmo xmx xom xoo xox xxo xxx