-ol bbb bbg bbi bbl bbm bbo bgb bgg bgi bgl bgm bgo bi- bib big bii bil bim bio blb blg bli bll blm blo bmb bmg bmi bml bmm bmo bob bog boi bol bom boo gbg gbi gbl gbm gbo ggb ggg ggi ggm ggo gib gig gii gil gim gio glb glg gli gll glm glo gmb gmg gmi gml gmm gmo gob gog goi gol gom goo ibb ibg ibi ibl ibm ibo igb igg igi igl igm igo iib iii iil iim iio il- ilb ilg ili ill ilm ilo im- imb img imi iml imm imo io- iob iog ioi iol iom ioo lbb lbg lbi lbl lbm lbo lgb lgg lgi lgl lgm lgo lib lig lii lil lim lio llb llg lli lll llm llo lmb lmg lmi lml lmm lmo lob log loi lol lom loo m-o mbb mbg mbi mbl mbm mbo mgb mgi mgl mgm mgo mi- mib mig mii mil mim mio mlb mlg mli mll mlm mlo mmb mmg mmi mml mmm mmo mob mog moi mol mom moo o-i ob- obb obg obi obl obm obo ogg ogi ogl ogo oib oii oil oim oio olb olg oli oll olm olo om- omb omg omi oml omm omo oo- oob oog ooi ool oom ooo