-ol bbb bbe bbl bbm bbo be- beb bee bel bem beo bez blb ble bll blm blo blz bmb bme bml bmm bmo bmz bob boe bol bom boo boz bze bzo bzz ebb ebe ebl ebm ebo eeb eee eel eem eeo elb ele ell elm elo elz em- emb eme eml emm emo eo- eob eoe eol eom eoo eze ezo ezz lbb lbe lbl lbm lbo leb lee lel lem leo lez llb lle lll llm llo llz lmb lme lml lmm lmo lob loe lol lom loo loz lzo m-o mbb mbe mbl mbm mbo meb mee mel mem meo mez mlb mle mll mlm mlo mmb mme mml mmm mmo mmz mob moe mol mom moo moz mzb mzm ob- obb obe obl obm obo oeb oee oel oem oeo olb ole oll olm olo om- omb ome oml omm omo omz oo- oob ool oom ooo oze ozm ozo ozz zbb zbl zbm zeb zee zel zem zeo zez zmb zmm zo- zob zoe zol zom zoo zzz