bbb bbe bbi bbm bbo bbt be- beb bee bei bem beo bet bi- bib bie bii bim bio bit bmb bme bmi bmm bmo bmt bob boe boi bom boo bot btb bte bti btm bto btt ebb ebe ebi ebm ebo ebt eeb eee eem eeo eet eib eie eii eim eio eit em- emb eme emi emm emo emt eo- eob eoe eoi eom eoo eot etb ete eti etm eto ett ibb ibe ibi ibm ibo ibt ie- iee iei iem iet iib iie iii iim iio iit im- imb ime imi imm imo imt io- iob ioe ioi iom ioo iot itb ite iti itm ito itt m-o mbb mbe mbi mbm mbo mbt meb mee mei mem meo met mi- mib mie mii mim mio mit mmb mme mmi mmm mmo mmt mob moe moi mom moo mot mtb mte mti mtm mto mtt o-i ob- obb obe obi obm obo obt oeb oee oei oem oeo oet oib oie oii oim oio oit om- omb ome omi omm omo omt oo- oob ooi oom ooo oot ot- otb ote oti otm oto ott tbb tbe tbi tbm tbo tbt te- teb tee tei tem teo tet tib tie tii tim tio tit tmb tme tmi tmm tmo tmt to- tob toe toi tom too tot ttb tte tti ttm tto ttt