-ol b-p bbb bbe bbl bbm bbo bbp be- beb bee bel bem beo bep blb ble bll blm blo blp bmb bme bml bmm bmo bmp bob boe bol bom boo bop bpb bpe bpl bpm bpo bpp ebb ebe ebl ebm ebo ebp eeb eee eel eem eeo eep elb ele ell elm elo elp em- emb eme eml emm emo emp eo- eob eoe eol eom eoo eop ep- epb epe epl epm epo epp l-p lbb lbe lbl lbm lbo lbp leb lee lel lem leo lep llb lle lll llm llo llp lmb lme lml lmm lmo lmp lob loe lol lom loo lop lpb lpe lpl lpm lpo lpp m-o mbb mbe mbl mbm mbo mbp meb mee mel mem meo mep mlb mle mll mlm mlo mlp mmb mme mml mmm mmo mmp mob moe mol mom moo mop mpb mpe mpl mpm mpo mpp ob- obb obe obl obm obo obp oeb oee oel oem oeo oep olb ole oll olm olo olp om- omb ome oml omm omo omp oo- oob ool oom ooo oop op- opb ope opl opm opo opp p-p pbb pbe pbl pbm pbo pbp peb pee pel pem peo pep plb ple pll plm plo plp pmb pme pml pmm pmo pmp pob poe pol pom poo pop ppb ppe ppl ppm ppo ppp