-ol bbb bbe bbg bbk bbl bbm bbo be- beb bee beg bek bel bem beo bgb bge bgg bgk bgl bgm bgo bkb bke bkg bkk bkl bkm bko blb ble blg blk bll blm blo bmb bme bmg bmk bml bmm bmo bob boe bog bok bol bom boo ebb ebe ebg ebk ebl ebm ebo eeb eee eeg eek eel eem eeo egb ege egg egl egm ego ekb eke ekg ekl eko elb ele elg elk ell elm elo em- emb eme emg emk eml emm emo eo- eob eoe eog eok eol eom eoo gbe gbg gbk gbl gbm gbo ge- geb gee geg gek gel gem geo ggb ggg ggm ggo gkb gkm gko glb gle glg glk gll glm glo gmb gme gmg gml gmm gmo gob goe gog gok gol gom goo kbb kbe kbk kbl kbm kbo ke- keb kee keg kek kel kem keo kgb kgl kgm kgo kkb kke kkk kkl kkm kl- klb klg klm klo kmb kme kmg kmk kml kmm kmo kob koe kog kok kol kom koo lbb lbe lbg lbk lbl lbm lbo leb lee leg lek lel lem leo lgb lge lgg lgk lgl lgm lgo lkb lkg lkl llb lle llg llk lll llm llo lmb lme lmg lmk lml lmm lmo lob loe log lok lol lom loo m-o mbb mbe mbg mbk mbl mbm mbo meb mee meg mek mel mem meo mgb mge mgk mgl mgm mgo mkb mke mkg mkk mkl mkm mko mlb mle mlg mlk mll mlm mlo mmb mme mmg mmk mml mmm mmo mob moe mog mok mol mom moo ob- obb obe obg obk obl obm obo oeb oee oeg oel oem oeo oge ogg ogl ogo okb oke okg okk okl oko olb ole olg olk oll olm olo om- omb ome omg oml omm omo oo- oob oog ook ool oom ooo